Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 5: Expressions; Lesson 1: Algebraic Expressions


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Evaluate each expression if d = 8, e = 3, f = 4, and g = -1.

  • Question 10 (request help)

    The expression 5n + 2 can be used to find the total cost in dollars of bowling where n is the number of games bowled and 2 represents the cost of shoe rental. How much will it cost Vincent to bowl 3 games? 

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  • Question 11 (request help)

    A car rental company’s fees are shown. Suppose you rent a car using Option 2. Write an expression that gives the total cost in dollars for driving m miles. Then find the cost for driving 150 miles.

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  • Question 12 (request help)

    Refer to Exercise 11. Suppose you rent a car using Option 1. Write an expression that gives the total cost in dollars to rent a car for d days and m miles. Then find the cost for renting a car for 2 days and driving 70 miles.

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