Grade 7 | Unit 4 | Lesson 12: Finding the Percentage | Practice Problems

A music store marks up the instruments it sells by 30%. If the store bought a guitar for $45, what will be its store price?

Tags

CCSS.6.RP.A.3C

A music store marks up the instruments it sells by 30%. If the price tag on a trumpet says $104, how much did the store pay for it?

Tags

CCSS.6.RP.A.3C

A music store marks up the instruments it sells by 30%. If the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?

• Yes

• No

Tags

CCSS.6.RP.A.3C

A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49.77. How much was the tip in dollars?

Tags

CCSS.6.NS.B.3

A family eats at a restaurant. The bill is $42. The family leaves a tip and spends $49.77. How much was the tip as a percentage of the bill?

Tags

CCSS.6.RP.A.3C

The price of gold is often reported per ounce. At the end of 2005, this price was $513. At the end of 2015, it was $1060. By what percentage did the price per ounce of gold increase?

Tags

CCSS.6.RP.A.3C

A phone keeps track of the number of steps taken and the distance traveled. Based on the information in the table, is there a proportional relationship between the two quantities? Explain your reasoning.

Number of Steps	Distance in Kilometers
950	1
2,852	3
4,845	5.1

Tags

CCSS.7.RP.A.2A

Tags

CCSS.7.EE.B.3