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help? Your friend has $80 when he goes to the fair. He spends $4 to enter the fair and $12 on food. Rides at the fair cost $1.25 per ride. Which function can be used to determine how much money he has left over after x rides?. . f(x) = 1.25x + 64. f(x) = -16x + $80. f(x) = -1.25x + 64. f(x) = -1.25x - 64

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frika

Your friend has $80 when he goes to the fair. He spends $4 to enter the fair and $12 on food. Then he has $80-$4-$12=$64 to spend on rides.

Let x be the number of rides he did. Then he spent $1.25x on all rides.

Thus, he has left over after x rides exactly $64-$1.25x=$(64-1.25x).

Answer: correct choice is C.

Answer:

c

Step-by-step explanation: