Question 1

C + 100 = 55; C equals:

Accepted Answer

A)  45 
B)  155 
C)  -155 
D)  -45 
E)  None of these

Question 2

Jerry's age 10 years ago can be expressed as:

Accepted Answer

A)  A - 10 
B)  A + 10 
C)  2A - 10 
D)  2A + 10 
E)  None of these

Question 3

An equation represents a math expression of equality.

Accepted Answer

A) True 
 B)False

Question 4

What number increased by 3,080 equals 5,082?

Accepted Answer

A)  2,020 
B)  18,126 
C)  8,162 
D)  2,002 
E)  None of these

Question 5

Joe Berry and Jane Rose received a total of $180,000 from a deceased relative's estate. They decided to put away $80,000 in a trust for their child and divide the remainder into 3/4 for Jane and 1/4 for Joe. How much will Jane receive?

Accepted Answer

A)  $25,000 
B)  $75,000 
C)  $20,000 
D)  $80,000 
E)  None of these

Question 6

Andy Foll is 6 times as old as Mel Kaas. Andy is 15 years older than Mel. What is Mel's age?

Accepted Answer

The answer of Andy Foll is 6 times as old...

Question 7

8 (A - 5) = 70

Accepted Answer

The answer of 8 (A - 5) = 70...

Question 8

Pens cost $6 per carton, and elastics cost $4 per carton. If an order comes in for a total of 12 cartons for $60, what was the specific number of cartons of pens as well as elastics? (Hint: Let P = Pens)
A. 6 cartons of pens
B. 6 cartons of elastics

Accepted Answer

The answer of Pens cost $6 per carton, and elastics...

Question 9

A times C is represented by:

Accepted Answer

A)  A:C 
B)  A + C 
C)  AC 
D)  A/C 
E)  None of these

Question 10

+31 - (-16) equals:

Accepted Answer

A)  15 
B)  47 
C)  -15 
D)  -47 
E)  None of these

Question 11

1/8 of all wood stoves are sold for cash. If cash sales were $2,200 for the week, what was the total of all sales? (Let S = sales.)

Accepted Answer

The answer of 1/8 of all wood stoves are sold...

Question 12

There is only one set way to solve all word problems.

Accepted Answer

A) True 
 B)False

Question 13

B - 6 represents Bob's age six years ago.

Accepted Answer

A) True 
 B)False

Question 14

A formula is not an equation.

Accepted Answer

A) True 
 B)False

Question 15

B - 11 = 40; B = 29.

Accepted Answer

A) True 
 B)False

Question 16

6H + H - 20 = 44 - H; H = 8.

Accepted Answer

A) True 
 B)False

Question 17

One-eleventh of all sales at Joe's Diner are for cash. If cash sales for the week were $380, what were Joe's total sales?

Accepted Answer

A)  $41,800 
B)  $4,180 
C)  $4,108 
D)  $41,808 
E)  None of these

Question 18

Marvin Co. sells pens ($6) and flashlights ($10). If total sales were $624 and customers bought 7 times as many pens as flashlights, what would be the number of pens sold?

Accepted Answer

A)  12 
B)  62 
C)  84 
D)  48 
E)  None of these

Question 19

Variables and constants are terms of mathematical expressions.

Accepted Answer

A) True 
 B)False

Exam 5: Solving for the Unknown: a How-To Approach for Solving Equations

C + 100 = 55; C equals:

Jerry's age 10 years ago can be expressed as:

An equation represents a math expression of equality.

What number increased by 3,080 equals 5,082?

Joe Berry and Jane Rose received a total of $180,000 from a deceased relative's estate. They decided to put away $80,000 in a trust for their child and divide the remainder into 3/4 for Jane and 1/4 for Joe. How much will Jane receive?

Andy Foll is 6 times as old as Mel Kaas. Andy is 15 years older than Mel. What is Mel's age?

8 (A - 5) = 70

Pens cost $6 per carton, and elastics cost $4 per carton. If an order comes in for a total of 12 cartons for $60, what was the specific number of cartons of pens as well as elastics? (Hint: Let P = Pens) A. 6 cartons of pens B. 6 cartons of elastics

A times C is represented by:

+31 - (-16) equals:

1/8 of all wood stoves are sold for cash. If cash sales were $2,200 for the week, what was the total of all sales? (Let S = sales.)

There is only one set way to solve all word problems.

B - 6 represents Bob's age six years ago.

A formula is not an equation.

B - 11 = 40; B = 29.

6H + H - 20 = 44 - H; H = 8.

One-eleventh of all sales at Joe's Diner are for cash. If cash sales for the week were $380, what were Joe's total sales?

Marvin Co. sells pens ($6) and flashlights ($10) . If total sales were $624 and customers bought 7 times as many pens as flashlights, what would be the number of pens sold?

Variables and constants are terms of mathematical expressions.