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OpenStudy (anonymous):
Help[ Someone? xc 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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OpenStudy (johnweldon1993):
Spends 4...12 on food so thats 16 spend.... he started with 80 so 80 - 16 = 64 left... Cost 1.25 a ride... so 1.25x Looks like f(x) = -1.25x + 64
OpenStudy (anonymous):
thank you <3
OpenStudy (johnweldon1993):
Of course <3
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