Exam 4: Solving for the Unknown

Dolls cost $140 per carton, and trucks cost $430 per carton. If an order comes in for a total of 100 cartons for $28,500, what was the number of cartons of dolls? (Hint: Let T = cartons of trucks.)

Momentum Electronics produces 4 times as many E-readers on shift 1 as it does on shift 2. If a total of 85 E-readers were produced, how many were made on shift 1?

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

Q + 92 = 128; Q equals:

Ryan Small budgets 1/8 of his weekly salary for food. Ryan's food bill is $80. What is his weekly salary?

2,000(A - 5) = 110,000; A equals:

Solve for the unknown, showing all work. (If necessary, round to the nearest hundredth.) 8A - 40 = 4A + 60

American Airlines reduced its round trip fare from Boston to New York by $45. The sale price was $139. What was the original price?

+31 - (-16) equals:

Cecil budgets 1/6 of his weekly salary for comic books. Cecil's weekly bill is $30.00. What is his weekly salary?

Al Resse and Marci Rey received a total of $210,000 from a deceased relative's estate. They decided to put away $50,000 in a trust for their child and divide the remainder into 1/4 for Marci and 3/4 for Al. How much will Al receive?

Over the past month, 700 trucks were sold. Abe sold 6 times as many as Joe. How many did each sell?

A letter or a symbol that represents one or more numbers is a:

C/D means C divided by D.

Solve for the unknown, showing all work. (If necessary, round to the nearest hundredth.) 1,105 = B + 82

Rick and Ranger sell Toyotas for Tom's Auto. Over the past year they sold 360 cars. Assuming Rick sells 5 times as many as Ranger, how many Toyotas did Ranger sell?

A formula is not an equation.

1/4B - 10 = 7; B = 67.

At Miduale Electronics, the first shift produced 6 times as many items as the second shift. If total production was 4,900, what was the output for each shift?

4 + 3 = 9 is an equation of equality.