7th Grade Unit 6 Practice test

Which expression is equivalent to 15 - 6x

• 3(2x - 15)

• 3(2x - 5)

• -3(2x - 15)

• -3(2x - 5)

• Porter, Ellie, Hallie

• Ellie. Hallie, Porter

• Porter, Hallie, Ellie

• Hallie, Ellie, Porter

James has 16 ounces (oz.) of cookie dough. If he uses 0.56 oz. of cookie dough for each cookie, what is a reasonable estimate of how many cookies he can make?

• 9

• 16

• 24

• 30

Mathematical Equivalence

ON

It costs $12 per day, plus $0.12 per mile to rent a compact car. Mr. Garrison has a budget of $50 to rent a car for a one-day trip. How many miles, x, can Mr. Garrison drive without going over his budget?

Janet rented a golf cart for $15, plus $16 per hour. She spent $111 to rent the golf cart. Which equation can be used to determine the number of hours, h , Janet rented the golf cart?

Benito earns $250 per week giving surfing lessons plus $75 for each surfboard he sells. If Benito wants to earn at least $500 this week, which inequality could be solved to find x, the number of surfboards he needs to sell?

Ohio Skate charges a flat fee of $60 for skating parties plus $6 per person. Matteo can spend no more that $126 on his skating party. Which number line represents the number of people Matteo can invite to his skating party without exceeding his spending limit?

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