Grade 7 | Unit 6 | Lesson 13: Reintroducing Inequalities | Practice Problems

Here are the prices for cheese pizza at a certain pizzeria:

Pizza size	Price in dollars
Small	11.60
Medium
Large	16.25

You had a coupon that made the price of a large pizza $13.00. For what percent off was the coupon?

Here are the prices for cheese pizza at a certain pizzeria:

Pizza size	Price in dollars
Small	11.60
Medium
Large	16.25

Your friend purchased a medium pizza for $10.31 with a 30% off coupon. What is the price of a medium pizza without a coupon?

Here are the prices for cheese pizza at a certain pizzeria:

Pizza size	Price in dollars
Small	11.60
Medium
Large	16.25

Your friend has a 15% off coupon and $10. What is the largest pizza that your friend can afford, and how much money will be left over after the purchase?

Select all the stories that can be represented by the diagram.

• A: Andre studies 7 hours this week for end-of-year exams. He spends 1 hour on English and an equal number of hours each on math, science, and history.

• B: Lin spends $3 on 7 markers and a $1 pen.

• C: Diego spends $1 on 7 stickers and 3 marbles.

• D: Noah shares 7 grapes with 3 friends. He eats 1 and gives each friend the same number of grapes.

• E: Elena spends $7 on 3 notebooks and a $1 pen.