12/8 Percents Quiz

Tyler’s brother works in a shoe store.Tyler’s brother earns a commission which means he makes 3.5% of the amount he sells. Last week, he sold $800 worth of shoes. How much was his commission?

• $0.28

• $28.00

• $2.80

• 280.00

Jennifer went shopping for beach clothes. She bought 3 shirts, each costing $9.99; 2 pairs of shorts, each costing $14.95; and a bathing suit for $24.50. The sales tax on everything was 7%. How much did Jennifer spend in all?

• $90.28

• $84.37

• $6.32

• $5.91

Today, everything at a store is on sale. The store offers a 30% discount. If the regular price of an item is x dollars, which expression could you use to calculate the sale price of an item?

• 0.30x

• 0.70x

• 1.30x

• 1.70x

Today, everything at a store is on sale. The store offers a 20% discount. The discount price of a hat is $18. What was the original price?

• $3.60

• $21.60

• $20.00

• $22.50

A microwave is on sale for 1/4 off the original price. The sale price is $70.50. What is the original price of the microwave?

• $94

• $96.75

• $52.88

• $88.13

Lin’s father is paying for a $30 meal. He has a 15%-off coupon for the meal. After the discount, a 7% sales tax is applied. What does Lin’s father pay for the meal?

• $18.19

• $27.29

• $17.00

• $32.10

A car is 180 inches long. A truck is 80% longer than the car. How long is the truck?

• 114

• 144

• 324

• 344

Tony bought a $50 sweatshirt and used a coupon for a 10% discount. Keith bought an identical sweatshirt at a different store for $42.95. Which statement is true?

• Tony paid less by $2.05

• Keith paid less by $2.05

• Tony paid less by $5.00

• Keith paid less by $5.00

Kelly went to a store to purchase a coffee pot. She will use a coupon for 30% off. She can calculate the cost before sales tax using the following expression, where c represents the original cost of the coffee pot. C-0.3c Which other expression could Kelly use to calculate her cost before sales tax?

• 0.7c

• 0.3c + 0.7c

• C+ 0.7C

• 0.3c

A cell phone has an original price of $60, before sales tax. It is on sale for 25% off the original price. Which expression represents the sale price of the cell phone?

• 60(0.25)

• 60(25)

• 60(75)

• 60(0.75)