Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per

Question

aleksandr82 [10.1K]

3 years ago

13

Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per

ride. Which function can be used to determine how much money he has left over after x rides?

Mathematics

1 answer:

zysi [14] · Answer 1 · 2022-02-24T18:29:14+03:00

zysi [14]3 years ago

5 0

You could use the function:

f(x)=30+2x
100=30+2x

In which lets say he rode 3 rides. Plug in 3 for x.

100=30+2(3)

Then Multiply
100=30+6

Then combine 30 and 6 to get 36.
Then you can subtract 36 from 100 to get
$64 left over.