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English 23 Online
OpenStudy (anonymous):

Your friend has $90 when he goes to the fair. He spends $5 to enter the fair and $15 on food. Rides at the fair cost $1.50 per ride. Which function can be used to determine the amount of money he has leftover after x rides? f(x) = 1.5x + 70 f(x) = -1.5x + 70 f(x) = -1.5x - 70 f(x) = -20x + 90

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