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Grade 8 McGraw Hill Glencoe - Answer Keys
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Extra Practice |
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Question 8
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The table shows the number of square inches per square foot.
a. Write an equation to find the number of square inches i in any number of square feet f. Describe the relationship in words.
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Question 8
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b. Use the equation to determine how many square inches are in 15 square feet.
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Question 9
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Financial Literacy Kara is saving money for a school trip. The graph shows how much money she has saved over 4 weeks.
a. Write an equation to find how much money d Kara can save over w weeks.
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Question 9
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b. Use the equation to determine how much money Kara can save in 24 weeks.
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Question 10
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Use Math Tools Cornett Cable changes $32.50 a month for basic cable television. Each premium channel selected costs an additional $4.95 per month.
a. Write an equation to find the total monthly cost c for any number of premium channels p.
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Question 10
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b. Make a table to show the monthly cost for 0, 1, 2, 3, and 4 premium channels. Then graph the ordered pairs.
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(show solution)