Equations With Word Problems

Mary earns $14 per hour. Which equation represents how many hours she worked to earn $112? 

• 14h = 112

• 14 / h = 112

• h + 14 = 112

• h - 14 = 112

Last Friday Trevon had $29. Over the weekend he received some money for cleaning the attic. He now has $41. How much money did he receive?

• 29 - n = 41

• 29 - n = 40

• 29 + n = 41

• 29 + n = 40

If one roll of masking tape costs $1.15, how many rolls can Emma buy  with $5.75?

• 1.15(5.75) = x

• 5.75x = 1.15

• 1.15x = 5.75

• x = 1.15/ 5.75

Andrew has saved $55 toward the purchase of an IPOD. The IPOD costs $145. Which equation represents the amount Andrew needs to save to by the IPOD?

• 55 + x = 145

• 145x = 55

• 55 - x = 145

• 145 (55) = x

• A

• B

• C

• D

Kendra earned a total of $625 selling jewelry. She sold 7 necklaces for $55 each. She sold 8 rings. Each ring was sold for the same price. The equation shown can be used to find r, the amount of money in dollars she earned for each ring sold. r = [625 − (7 × 55)] ÷ 8
What was the amount of money in dollars Kendra earned for each ring sold?

• $30

• $240

• $45

• None of these

Kendra earned a total of $625 selling jewelry. She sold 7 necklaces for $55 each. She sold 8 rings. Each ring was sold for the same price. The equation shown can be used to find r, the amount of money in dollars she earned for each ring sold. r = [625 − (7 × 55)] ÷ 8 What was the amount of money in dollars Kendra earned for each ring sold?

• $30

• $240

• $45

• None of these

A business that rents cars is open for 8 hours on Monday. On Monday morning the business had 45 cars. The business rented 3 cars to customers during each of the first 5 hours. The business rented 2 cars to customers during each of the next 3 hours. The total number of cars that were brought back to the business by customers on Monday was 17. In which equation does c represent the number of cars the business had at the end of the day on Monday?

Joe's BBQ sells BBQ by the pound.  Michelle buys $8.75 worth of sides and then 6 pounds of barbeque.  If her total bill was $40.55, how much was each pound of barbeque?

• $5.30

• $3.95

• $8.22

• $5.32

Kendra earned a total of $625 selling jewelry. She sold 7 necklaces for $55 each. She sold 8 rings. Each ring was sold for the same price. The equation shown can be used to find r, the amount of money in dollars she earned for each ring sold. r = [625 − (7 × 55)] ÷ 8 What was the amount of money in dollars Kendra earned for each ring sold?

• $30

• $240

• $45

• None of these