Question

Word Problem.

a. A college student has set aside $240 for the rest of the school year to use the coin-operated laundry facility in his dormitory. Each time he uses the machines, it costs $7.50. Choose the equation that represents the amount remaining in his fund,f, after he has done laundry x times.
Find the amount remaining in the fund after12 trips to the laundry facility.

Answer 1

@ texaschix101......

Answer 2

f = 240 - 7.5x

f = 240 - 7.5(12)
f = 240 - 90
f = 150 <-- amount left after using laundry mat 12 times

Answer 3

thanks

Answer 4

anytime :)