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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Home » Mathematics » 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.