Unit 5: Percents Study Guide

A small company’s profits for January are $2,840. If the company increases profits by 140% in February, how much profit does the company make in February?

• $3,238

• $3,976

• $6,816

• $7,952

Tags

CCSS.6.RP.A.3C

A student was 48 inches tall in 5th grade. Now, the student measures 60 inches tall in 8th grade. What is the percent increase of the student’s height?

• 50%

• 25%

• 20%

• 12%

Tags

CCSS.6.RP.A.3C

A store purchased a DVD for $12.00 and sold it to a customer for 50% more than the purchase price. The customer was charged a 7% tax when the DVD was sold. What was the customer’s total cost for the DVD?

• $12.84

• $18.42

• $18.84

• $19.26

Tags

CCSS.6.RP.A.3C

Charis invested $140. She earned a simple interest of 3% per year on the initial investment. If no money was added or removed from the investment, what was the amount of interest Charis received at the end of 2 years?

• $4.20

• $6.00

• $8.40

• $12.60

Tags

CCSS.7.RP.A.3

The ratio of boys to girls in Mr. Johnson's after-school club is the same as the ratio of boys to girls in Ms. Greene's after-school club. There are 4 boys and 12 girls in Mr. Johnson's club. There are 6 boys in Ms. Greene’s club. How many girls are in Ms. Greene’s club?

• 2

• 12

• 14

• 18

Mr. Tucker earns $250 per week working in an appliance store. In addition, he earns 2% commission on all of his sales. Last week, he sold $2800 worth of appliances. What was Mr. Tucker's total income for the week?

• $56

• $287

• $306

• $467

Tags

CCSS.6.RP.A.3C

The Smith family went out to dinner.

• The price of the meal was $29.85

• The sales tax was 6%

• The tip was 15% of the meal and the sales tax

How much money did the Smith family pay for the meal, including tax and tip?

• $50.85

• $36.39

• $36.12

• $31.95

Tags

CCSS.6.RP.A.3C

Jackson made a deposit into an account that earns 6% interest. After 4 years, Jackson had earned $600. How much was Jackson's initial deposit?

• $2500

• $3000

• $3500

• $4000

Tags

CCSS.7.RP.A.3

A pair of sneakers is on sale for $51.25. If the original price of the sneakers is $62.50, approximately what is the percent of the discount?

• 6%

• 11%

• 18%

• 22%

Tags

CCSS.6.RP.A.3C

A notebook cost $4.50 plus sales tax. After the sales tax, the notebook is $4.86. What is the sales tax rate?

• 6%

• 7%

• 8%

• 9%

Tags

CCSS.6.RP.A.3C