Practical Problems with Rational Numbers

Shana bought a hamburger for $4.25, two hot dogs for $2.50 each, a large order of fries for $2.95, and one medium soda for $2.15. If Shana paid with a $20.00 bill, how much change did she receive?

• $5.65

• $8.15

• $11.85

• $14.35

Mr. Parker had $86 to buy school supplies for his class. He bought 32 boxes of pencils and 32 packages of notebook paper. Each package of paper cost $1.09, and each box of pencils cost $0.75. How much money did Mr. Parker have left?

• $27.12

• $58.88

• $58

• $588.80

There are 20 cars in a parking lot. Geico provides insurance to 3/5 of the cars. AllState provides insurance to one-tenth of the cars. State Farm provides insurance to the remaining cars. How many cars in this parking lot does State Farm provide insurance to?

• 20

• 12

• 6

• 14

Carlos uses a cleaner after working in his garage. The bottle contains 64.2 mL of cleaner. He used 5.8 mL of the cleaner on Monday. On Tuesday, he used half of the remaining cleaner on a chemical spill. On Wednesday, he used 3.9 mL of the cleaner in the bottle. How many mL of cleaner did Carlos have left on Thursday?

• 58.4

• 29.2

• 25.3

• 12.15

• A

• B

• C

• D

• E

• A

• B

• C

• D

Each month Chuck’s phone company charges a flat fee of $12 plus $0.05 per minute. His bill for last month was $18. How many minutes did Chuck talk on the phone last month?

• 120

• 100

• 350

• 600

One weekend, Latoya and Tyler mowed lawns to earn spending money. They are paid as a team $13.50 an hour. They worked for 8 hours. Each received half the total earnings. If Latoya then spent $18 on a video game, how much money did she have left?

• $108

• $54

• $36

• $90

Angelo has $5.50 for lunch. He buys a cookie for $1.05 and a drink for 1.45. How much money does Angelo have left?

• $2.50

• $3.00

• $1.25

• $4.00