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your friend had $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?

Respuesta :

rkela94252

100-10-20

=70÷2 (division)

=35 rides


gizmolovezpie

We will use "y" to represent the amount of money left and the function y = mx + b.


y = 2x + 30

This is your answer!

The y is how much money he has left after x amount of rides, the 2 is the $2.00 he spends per ride, the x is how many rides he goes on, and the 30 is how much he has already spent. I he rides 5 ride he would have spent $40.

Hope this helps!




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