Deck 3: Adding and Subtracting Fractions

Question 1

Subtract and simplify.

- $\frac { 3 } { 8 } - \frac { 2 } { 8 }$

A) $\frac { 3 } { 16 }$
B) $\frac { 1 } { 2 }$
C) $\frac { 1 } { 8 }$
D) $\frac { 1 } { 4 }$

Answer 1

$\frac { 1 } { 8 }$

Question 2

Subtract and simplify.

- $\frac { 53 } { 90 } - \frac { 25 } { 90 }$

A) $14 \frac { 13 } { 18 }$
B) $\frac { 7 } { 45 }$
C) $\frac { 13 } { 15 }$
D) $\frac { 14 } { 45 }$

Answer 2

$\frac { 14 } { 45 }$

Question 3

Subtract and simplify.

- $\frac { 28 } { 13 } - \frac { 5 } { 13 }$

A) $2 \frac { 7 } { 13 }$
B) $1 \frac { 10 } { 13 }$
C) $\frac { 2 } { 3 }$
D) $\frac { 1 } { 2 }$

Answer 3

$1 \frac { 10 } { 13 }$

Question 4

Subtract and simplify.

- $\frac { 7 } { 8 } - \frac { 3 } { 8 }$

A) $\frac { 2 } { 3 }$
B) $\frac { 5 } { 8 }$
C) $\frac { 1 } { 4 }$
D) $\frac { 1 } { 2 }$

Question 5

Find the least common multiple (LCM)of the list of numbers.
48, 39

A)1872
B)48
C)624
D)5616

Question 6

Subtract and simplify.

- $\frac { 7 } { 21 } - \frac { 6 } { 21 }$

A) $\frac { 1 } { 7 }$
B) $\frac { 1 } { 21 }$
C) $\frac { 1 } { 2 }$
D) $\frac { 1 } { 3 }$

Question 7

Solve. Write the answer in simplest form.

-Sophie readd $\frac { 1 } { 12 }$ of her book on Monday, $\frac { 4 } { 12 }$ of her of herbook on Tuesday, andnd $\frac { 2 } { 12 }$ of he of hr book on Wednesday. What part of her book has she read?

A) $\frac { 7 } { 12 }$
B) $\frac { 5 } { 12 }$
C) $\frac { 12 } { 5 }$
D) $\frac { 12 } { 7 }$

Question 8

Find the least common multiple (LCM)of the list of numbers.
8, 10

A)40
B)2
C)80
D)160

Question 9

Solve. Write the answer in simplest form.

-Marty joggeded $\frac { 3 } { 10 }$ of a mile from home and then rested. Then he continued jogging another $\frac { 6 } { 10 }$ of a of a mile until he discovered his watch had fallen off. He walked back along the same path forpath for $\frac { 4 } { 10 }$ of a mile un of a mile until he found his
Watch. Find how far he was from his starting point.

A) $\frac { 5 } { 10 } \mathrm { mi }$
B) $\frac { 1 } { 2 } \mathrm { mi }$
C) $\frac { 1 } { 10 } \mathrm { mi }$
D) $\frac { 13 } { 10 } \mathrm { mi }$

Question 10

Subtract and simplify.

- $\frac { 35 } { 41 } - \frac { 18 } { 41 }$

A) $\frac { 17 } { 82 }$
B) $\frac { 17 } { 41 }$
C) $1 \frac { 12 } { 41 }$
D) $15 \frac { 15 } { 41 }$

Question 11

Subtract and simplify.

- $\frac { 8 } { 25 } - \frac { 5 } { 25 }$

A) $\frac { 13 } { 25 }$
B) $\frac { 3 } { 25 }$
C) $\frac { 2 } { 3 }$
D) $\frac { 1 } { 2 }$

Question 12

Solve. Write the answer in simplest form.

-Find the perimeter of the scalene triangle, a triangle with all three sides a different length. Recall that the perimeter of a figure is the distance around a figure.

A) $\frac { 11 } { 23 } \mathrm {~m}$
B) $\frac { 15 } { 23 } \mathrm {~m}$
C) $\frac { 14 } { 23 } \mathrm {~m}$
D) $\frac { 17 } { 23 } \mathrm {~m}$

Question 13

Find the least common multiple (LCM)of the list of numbers.
4, 10

A)40
B)80
C)2
D)20

Question 14

Add and simplify.

- $\frac { 5 } { 13 } + \frac { 5 } { 13 } + \frac { 2 } { 13 }$

A) $\frac { 12 } { 39 }$
B) $\frac { 12 } { 13 }$
C) $\frac { 50 } { 2197 }$
D) $\frac { 50 } { 13 }$

Question 15

Add and simplify.

- $\frac { 4 } { 9 } + \frac { 2 } { 9 }$

A) $\frac { 1 } { 3 }$
B) $\frac { 2 } { 3 }$
C) $\frac { 1 } { 2 }$
D) $\frac { 3 } { 4 }$

Question 16

Add and simplify.

- $\frac { 7 } { 17 } + \frac { 5 } { 17 }$

A) $\frac { 12 } { 17 }$
B) $\frac { 11 } { 16 }$
C) $\frac { 13 } { 18 }$
D) $\frac { 11 } { 17 }$

Question 17

Solve. Write the answer in simplest form.

-The total length of a motor cycle race iss $\frac { 10 } { 12 }$ of a of a mile. Sunee has completedd $\frac { 4 } { 12 }$ of a mile. How much does she have left to complete?

A) $\frac { 1 } { 2 } \mathrm { mi }$
B) $\frac { 5 } { 6 } \mathrm { mi }$
C) $\frac { 7 } { 6 } \mathrm { mi }$
D) $\frac { 1 } { 3 } \mathrm { mi }$

Question 18

Solve. Write the answer in simplest form.

-Find the perimeter of the square. Recall that the perimeter of a figure is the distance around a figure.

A) $\frac { 25 } { 144 } \mathrm {~cm}$
B) $\frac { 5 } { 4 } \mathrm {~cm}$
C) $\frac { 5 } { 6 } \mathrm {~cm}$
D) $\frac { 5 } { 3 } \mathrm {~cm}$

Question 19

Solve. Write the answer in simplest form.

-Find the perimeter of the parallelogram. Recall that the perimeter of a figure is the distance around the figure.

A) $2 \mathrm { ft }$
B) $\frac { 7 } { 12 } \mathrm { ft }$
C) $\frac { 1 } { 12 } \mathrm { ft }$
D) $\frac { 7 } { 6 } \mathrm { ft }$

Question 20

Subtract and simplify.

- $\frac { 25 } { 42 } - \frac { 7 } { 42 }$

A) $\frac { 2 } { 3 }$
B) $\frac { 2 } { 7 }$
C) $\frac { 3 } { 7 }$
D) $\frac { 16 } { 21 }$

Question 21

Add and simplify.

- $\frac { 4 } { 13 } + \frac { 3 } { 8 }$

A) $\frac { 71 } { 104 }$
B) $\frac { 71 } { 3 }$
C) $\frac { 1 } { 104 }$
D) $\frac { 1 } { 3 }$

Question 22

Find the least common multiple (LCM)of the list of numbers.
5, 8

A)13
B)5
C)40
D)8

Question 23

Find the least common multiple (LCM)of the list of numbers.
7, 14, 21, 36

A)280
B)112
C)252
D)259

Question 24

Write the fraction as an equivalent fraction with the given denominator.

- $\frac { 3 } { 7 } = \frac { } { 2632 }$

A) $\frac { 21 } { 2632 }$
B) $\frac { 3 } { 2632 }$
C) $\frac { 1128 } { 2632 }$
D) $\frac { 2632 } { 1128 }$

Question 25

Write the fraction as an equivalent fraction with the given denominator.

- $\frac { 6 } { 11 } = \frac { } { 55 }$

A) $\frac { 6 } { 55 }$
B) $\frac { 5 } { 55 }$
C) $\frac { 66 } { 55 }$
D) $\frac { 30 } { 55 }$

Question 26

Write the fraction as an equivalent fraction with the given denominator.

- $\frac { 7 } { 8 } = \frac { } { 16 }$

A) $\frac { 2 } { 16 }$
B) $\frac { 56 } { 16 }$
C) $\frac { 14 } { 16 }$
D) $\frac { 7 } { 16 }$

Question 27

Add and simplify.

- $\frac { 2 } { 7 } + \frac { 1 } { 9 }$

A) $\frac { 23 } { 63 }$
B) $\frac { 25 } { 63 }$
C) $\frac { 1 } { 21 }$
D) $\frac { 3 } { 16 }$

Question 28

Find the least common multiple (LCM)of the list of numbers.
24, 54, 3

A)108
B)54
C)216
D)72

Question 29

Find the least common multiple (LCM)of the list of numbers.
3, 30

A)3
B)90
C)30
D)33

Question 30

Write the fraction as an equivalent fraction with the given denominator.

- $\frac { 2 } { 3 } = \frac { } { 27 }$

A) $\frac { 9 } { 27 }$
B) $\frac { 2 } { 27 }$
C) $\frac { 6 } { 27 }$
D) $\frac { 18 } { 27 }$

Question 31

Find the least common multiple (LCM)of the list of numbers.
60, 80, 50

A)1200
B)400
C)600
D)240

Question 32

Find the least common multiple (LCM)of the list of numbers.
60, 40, 70

A)280
B)840
C)420
D)120

Question 33

Write the fraction as an equivalent fraction with the given denominator.

- $\frac { 5 } { 2 } = \frac { } { 6 }$

A) $\frac { 10 } { 6 }$
B) $\frac { 3 } { 6 }$
C) $\frac { 5 } { 6 }$
D) $\frac { 15 } { 6 }$

Question 34

Subtract and simplify.

- $\frac { 5 } { 6 } - \frac { 2 } { 5 }$

A) $\frac { 1 } { 2 }$
B) $\frac { 1 } { 10 }$
C) $\frac { 13 } { 30 }$
D) $\frac { 13 } { 6 }$

Question 35

Find the least common multiple (LCM)of the list of numbers.
56, 48

A)336
B)168
C)672
D)112

Question 36

Add and simplify.

- $\frac { 2 } { 5 } + \frac { 1 } { 10 }$

A) $\frac { 1 } { 2 }$
B) $\frac { 3 } { 10 }$
C) $\frac { 13 } { 25 }$
D) $\frac { 1 } { 5 }$

Question 37

Find the least common multiple (LCM)of the list of numbers.
42, 126

A)378
B)42
C)252
D)126

Question 38

Subtract and simplify.

- $\frac { 1 } { 6 } - \frac { 1 } { 11 }$

A) $\frac { 1 } { 6 }$
B) $\frac { 5 } { 66 }$
C) $\frac { 1 } { 66 }$
D) $\frac { 5 } { 6 }$

Question 39

Find the least common multiple (LCM)of the list of numbers.
9, 6

A)3
B)54
C)15
D)18

Question 40

Add and simplify.

- $\frac { 1 } { 16 } + \frac { 6 } { 5 } + \frac { 7 } { 20 }$

A) $\frac { 14 } { 41 }$
B) $\frac { 129 } { 80 }$
C) $\frac { 7 } { 40 }$
D) $\frac { 129 } { 41 }$

Question 41

Add and simplify.

- $3 \frac { 3 } { 7 }$

$+ 7 \frac { 2 } { 7 }$

A) $10 \frac { 5 } { 7 }$
B) $11 \frac { 5 } { 7 }$
C) $9 \frac { 5 } { 7 }$
D) $3 \frac { 5 } { 7 }$

Question 42

Subtract and simplify.

- $10 \frac { 1 } { 9 } - 2 \frac { 4 } { 9 }$

A) $7 \frac { 1 } { 3 }$
B) $7 \frac { 2 } { 3 }$
C) $11 \frac { 2 } { 3 }$
D) $12 \frac { 2 } { 3 }$

Question 43

Solve. Write the answer in simplest form.

-Find the perimeter of the parallelogram.

A) $\frac { 43 } { 56 } \mathrm {~cm}$
B) $\frac { 43 } { 28 } \mathrm {~cm}$
C) $\frac { 5 } { 56 } \mathrm {~cm}$
D) $\frac { 2 } { 5 } \mathrm {~cm}$

Question 44

Add and simplify.

- $\begin{array} { r } 7 \frac { 1 } { 2 } \\\\+ 6 \frac { 2 } { 7 }\end{array}$

A)14 $14 \frac { 11 } { 14 }$
B) $7 \frac { 11 } { 14 }$
C) $13 \frac { 11 } { 14 }$
D) $12 \frac { 11 } { 14 }$

Question 45

Solve. Write the answer in simplest form.

-Find the perimeter of the triangle.

A) $\frac { 8 } { 65 } \mathrm { mi }$
B) $\frac { 1 } { 11375 } \mathrm { mi }$
C) $\frac { 24 } { 5 } \mathrm { mi }$
D) $\frac { 2039 } { 5460 } \mathrm { mi }$

Question 46

Subtract and simplify.

- $\frac { 8 } { 15 } - \frac { 1 } { 20 }$

A) $\frac { 1 } { 2 }$
B) $\frac { 29 } { 60 }$
C) $\frac { 27 } { 60 }$
D) $\frac { 7 } { 15 }$

Question 47

Solve. Write the answer in simplest form.

-A construction crew replacednstruction crew replaced $\frac { 1 } { 5 }$ mi mile of sewer line in the process of updating a section of a road. Another crew replacedced $\frac { 53 } { 220 }$ mile of sewer line wh mile of sewer line while working on the same project. How much longer was the sewer line that
The second crew replaced?

A) $\frac { 13 } { 55 } \mathrm { mi }$
B) $\frac { 9 } { 220 } \mathrm { mi }$
C) $\frac { 45 } { 1100 } \mathrm { mi }$
D) $\frac { 13 } { 275 } \mathrm { mi }$

Question 48

Solve. Write the answer in simplest form.

-The circle graph shows the fraction of books read by grades one through five. What fraction of books was NOT read by the fourth and third grades?

A) $\frac { 49 } { 100 }$
B) $\frac { 18 } { 25 }$
C) $\frac { 51 } { 100 }$
D) $\frac { 77 } { 100 }$

Question 49

Add and simplify.

- $\begin{array} { r } 6 \frac { 3 } { 5 } \\\\2 \frac { 3 } { 4 } \\\\+ \frac { 1 } { 5 }\end{array}$

A) $9 \frac { 11 } { 20 }$
B) $10 \frac { 11 } { 20 }$
C) $9 \frac { 1 } { 2 }$
D) $8 \frac { 11 } { 20 }$

Question 50

Subtract and simplify.

- $\frac { 5 } { 7 } - \frac { 1 } { 2 }$

A) $\frac { 4 } { 7 }$
B) $\frac { 1 } { 7 }$
C) $\frac { 4 } { 9 }$
D) $\frac { 3 } { 14 }$

Question 51

Subtract and simplify.

- $38 \frac { 2 } { 3 } - 25 \frac { 13 } { 16 }$

A) $11 \frac { 41 } { 48 }$
B)12
C) $13 \frac { 41 } { 48 }$
D) $12 \frac { 41 } { 48 }$

Question 52

Subtract and simplify.

- $\frac { 7 } { 9 } - \frac { 1 } { 12 }$

A) $\frac { 13 } { 18 }$
B) $\frac { 25 } { 36 }$
C) $\frac { 1 } { 2 }$
D) $\frac { 2 } { 3 }$

Question 53

Subtract and simplify.

- $\frac { 7 } { 12 } - \frac { 1 } { 16 }$

A) $\frac { 25 } { 48 }$
B) $\frac { 1 } { 8 }$
C) $\frac { 3 } { 16 }$
D) $\frac { 1 } { 6 }$

Question 54

Subtract and simplify.

- $18 \frac { 3 } { 7 } - \frac { 11 } { 21 }$

A)17
B) $16 \frac { 19 } { 21 }$
C) $18 \frac { 19 } { 21 }$
D) $17 \frac { 19 } { 21 }$

Question 55

Add and simplify.

- $\begin{array} { r } 8 \frac { 3 } { 8 } \\\\+ 11 \frac { 1 } { 5 }\\\hline\end{array}$

A) $8 \frac { 23 } { 40 }$
B) $19 \frac { 23 } { 40 }$
C) $20 \frac { 23 } { 40 }$
D) $18 \frac { 23 } { 40 }$

Question 56

Subtract and simplify.

- $\frac { 4 } { 5 } - \frac { 3 } { 20 }$

A) $\frac { 3 } { 5 }$
B) $\frac { 1 } { 20 }$
C) $\frac { 7 } { 10 }$
D) $\frac { 13 } { 20 }$

Question 57

Add and simplify.

- $\begin{array} { r } 8 \frac { 7 } { 8 } \\\\+ 1 \frac { 1 } { 8 }\\\hline\end{array}$

A)10
B) $10 \frac { 1 } { 8 }$
C) $1 \frac { 1 } { 8 }$
D)9

Question 58

Add and simplify.

- $\begin{array} { r } 2 \frac { 4 } { 5 } \\\\9 \frac { 3 } { 5 } \\\\+ 5 \frac { 4 } { 5 }\\\hline\end{array}$

A) $17 \frac { 1 } { 5 }$
B)18
C) $18 \frac { 1 } { 5 }$
D) $19 \frac { 1 } { 5 }$

Question 59

Solve. Write the answer in simplest form.

-Given the following diagram, find L, its total length. $$x = \frac { 13 } { 16 } \text { inch, } y = \frac { 3 } { 4 } \text { inch, } z = \frac { 1 } { 2 } \text { inch }$$

A) $\frac { 264 } { 128 } \mathrm { in }$
B) $\frac { 33 } { 16 } \mathrm { in } .$
C) $\frac { 17 } { 16 } \mathrm { in }$
D) $\frac { 17 } { 128 } \mathrm { in }$ in.

Question 60

Add and simplify.

- $2 \frac { 5 } { 9 } + 2 \frac { 4 } { 7 }$

A) $2 \frac { 16 } { 63 }$
B) $1 \frac { 40 } { 63 }$
C) $\frac { 13 } { 16 }$
D) $5 \frac { 8 } { 63 }$

Question 61

Insertnsert < or $>$ to form a true statement.

- $\frac { 4 } { 16 } \quad \frac { 2 } { 3 }$

A)>
B)<

Question 62

Subtract and simplify.

- $15 \frac { 5 } { 16 } - 6 \frac { 3 } { 8 }$

A)8
B) $7 \frac { 15 } { 16 }$
C) $8 \frac { 15 } { 16 }$
D) $9 \frac { 13 } { 16 }$

Question 63

Solve.

-Chris rode her bicycleicycle $6 \frac { 3 } { 4 }$ miles on Tuesdmiles on Tuesday. On Thursday, she rodede $11 \frac { 1 } { 5 }$ m iles. What was her total biking distance for those two days?

A) $16 \frac { 19 } { 20 }$ mile miles
B) $6 \frac { 19 } { 20 }$ mile miles
C) $17 \frac { 19 } { 20 }$ miles mile
D) $18 \frac { 19 } { 20 }$ miles mile

Question 64

Insertnsert < or $>$ to form a true statement.

- $\frac { 22 } { 49 } \quad \frac { 3 } { 7 }$

A)<
B)>

Question 65

Solve.

-Jeffery has two packages. One weighsghs $2 \frac { 2 } { 3 }$ ounces, and the other weighsweighs $\frac { 3 } { 10 }$ ounces. ounces. What is the total weight of the two packages?

A) $\frac { 11 } { 13 } \mathrm { oz }$
B) $\frac { 4 } { 5 } \mathrm { oz }$
C) $2 \frac { 29 } { 30 } \mathrm { oz }$
D) $5 \frac { 6 } { 13 } \mathrm { oz }$

Question 66

Solve.

-Harry cuts a boarard $1 \frac { 2 } { 3 }$ feet long from one 14 feet long. How long is the remaining piece?

A) $12 \frac { 1 } { 3 } \text { feet }$
B)12 feet
C) $13 \frac { 2 } { 3 } \text { feet }$
D) $12 \frac { 2 } { 3 } \text { feet }$

Question 67

Solve.

-Jerry caught a fish that weighedhat weighed $14 \frac { 4 } { 9 }$ pounds. Pat caught a fish that weighedd $7 \frac { 5 } { 9 }$ pounds. How much more did Jerry's fish weigh than Pat's fish?

A) $6 \frac { 8 } { 9 }$ pounds pound
B) $21 \frac { 8 } { 9 }$ pounds
C) $6 \frac { 7 } { 9 }$ pound pounds
D) $20 \frac { 8 } { 9 }$ pound pounds

Question 68

Solve.

-Last week, Samantha ran 11 miles. This week, she ran, she ran $9 \frac { 4 } { 5 }$ miles. How much more did she run last week?

A)12 miles
B) $1 \frac { 1 } { 5 } \text { miles }$
C) $20 \frac { 4 } { 5 } \text { miles }$
D) $1 \frac { 17 } { 49 } \text { miles }$

Question 69

Subtract and simplify.

- $\begin{array} { r } 17 \frac { 7 } { 25 } \\\\- \quad 9 \frac { 7 } { 20 }\end{array}$

A) $7 \frac { 93 } { 100 }$
B)7
C) $6 \frac { 95 } { 100 }$
D) $8 \frac { 93 } { 100 }$

Question 70

Solve.

-Find the perimeter of the triangle.

A) $20 \frac { 2 } { 11 } \text { feet }$
B) $20 \frac { 11 } { 18 } \text { feet }$
C) $20 \frac { 1 } { 9 } \text { feet }$
D) $32 \frac { 9 } { 11 } \text { feet }$

Question 71

Insertnsert < or $>$ to form a true statement.

- $\frac { 7 } { 5 } \quad \frac { 21 } { 5 }$

A)>
B)<

Question 72

Subtract and simplify.

- $\begin{array} { r } 18 \frac { 1 } { 9 } \\\\- \quad \frac { 5 } { 9 }\\\\\hline\end{array}$

A) $17 \frac { 5 } { 9 }$
B) $17 \frac { 4 } { 9 }$
C) $18 \frac { 5 } { 9 }$
D) $16 \frac { 5 } { 9 }$

Question 73

Subtract and simplify.

-11
$$- \quad \frac { 5 } { 9 }$$

A) $10 \frac { 4 } { 9 }$
B)10
C) $11 \frac { 4 } { 9 }$
D) $8 \frac { 4 } { 9 }$

Question 74

Insertnsert < or $>$ to form a true statement.

- $\frac { 1 } { 2 } \quad \frac { 1 } { 10 }$

A) $\text { < }$
B) $>$

Question 75

Solve.

-Laura's chocolate store is famous for its "Chocnut", a unique mix of chocolate and nuts. A Supreme box of Chocnut haChocnut has $1 \frac { 1 } { 6 }$ pounds of chocolate ande and $5 \frac { 3 } { 11 }$ pounds of pounds of nuts. A Deluxe box haseluxe box has $4 \frac { 1 } { 4 }$ pound pouns of chocolate and $3 \frac { 3 } { 4 }$ pounds of pounds ofnuts. John bought 3 Supreme boxes and 2 Deluxe boxes of Chocnut. What is the total weight of
His purchase?

A) $37 \frac { 7 } { 22 } \mathrm { lb }$
B) $17 \frac { 7 } { 22 } \mathrm { lb }$
C) $35 \frac { 7 } { 22 } \mathrm { lb }$
D) $20 \frac { 7 } { 22 } \mathrm { lb }$

Question 76

Subtract and simplify.

- $\begin{array} { r } 18 \frac { 3 } { 4 } \\\\- 8 \frac { 1 } { 8 }\\\hline\end{array}$

A) $26 \frac { 5 } { 8 }$
B) $10 \frac { 7 } { 8 }$
C) $10 \frac { 5 } { 8 }$
D) $26 \frac { 7 } { 8 }$

Question 77

Insertnsert < or $>$ to form a true statement.

- $\frac { 1 } { 12 } \quad \frac { 1 } { 4 }$

A)>
B)<

Question 78

Subtract and simplify.

- $\begin{array} { r } 12 \frac { 2 } { 9 } \\\\- \quad 6 \frac { 5 } { 6 }\end{array}$

A)5
B) $4 \frac { 5 } { 18 }$
C) $6 \frac { 7 } { 18 }$
D) $5 \frac { 7 } { 18 }$

Question 79

Subtract and simplify.

- $\begin{array} { r } 13 \frac { 2 } { 15 } \\\\- \quad 7 \frac { 2 } { 9 }\end{array}$

A) $4 \frac { 41 } { 45 }$
B)5
C) $5 \frac { 41 } { 45 }$
D) $6 \frac { 43 } { 45 }$

Question 80

Solve.

-Kim decided to do some spring cleaning. She spentent $3 \frac { 3 } { 8 }$ hours cleaning her garage on Saturday. The next day she spennt $3 \frac { 5 } { 8 }$ hours cleaning her basement. What was the total amount of time she spent cleaning that weekend?

A) $5 \frac { 3 } { 8 }$ hour hours
B) $7 \frac { 3 } { 8 }$ hour hours
C)6 hours
D)7 hours