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raketka [301]
3 years ago
15

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 r

ide. 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
Mathematics
2 answers:
tankabanditka [31]3 years ago
5 0

Answer:

f(x) = −1.25x + 64

Step-by-step explanation:

Took the test

masha68 [24]3 years ago
4 0
His total money is: $80
He spent $16 for the entrance of the fair and food.

80-(4+12) = 64
subtracting $1.25 per ride = -1.25x

Therefore gives the function:
f(x) = -1.25x + 64
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