Lesson 13: Practice Problems
Problem 1
For each inequality, find two values for
Problem 2
Here is an inequality:
List some values for
that would make this inequality true. How are the solutions to the inequality
different from the solutions to ? Explain your reasoning.
Problem 3 From Unit 4 Lesson 12
Here are the prices for cheese pizza at a certain pizzeria:
pizza size | price in dollars |
---|---|
small | |
medium | |
large |
You had a coupon that made the price of a large pizza $13.00. For what percent off was the coupon?
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?
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?
Problem 4 From Unit 6 Lesson 4
Select all the stories that can be represented by the diagram.
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.
Lin spends $3 on 7 markers and a $1 pen.
Diego spends $1 on 7 stickers and 3 marbles.
Noah shares 7 grapes with 3 friends. He eats 1 and gives each friend the same number of grapes.
Elena spends $7 on 3 notebooks and a $1 pen.