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Mathematics 8 Online
OpenStudy (anonymous):

Adrienne had a party at a local s skating rink. She spent $100 for a party room and $8 per person for skates. Let c be the total cost of the room and skates, and let f be the number of friends at her party. Write an equation to represent the problem. Which is the independent variable? Explain.

OpenStudy (anonymous):

c = 100 + 8*f c $

OpenStudy (anonymous):

independent variable is f, because it does not depend on c, but c depends on f

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