Question

A resort rents surfboards for $15 plus $3 for each hour the surfboard is rented. An expression for the total cost of renting a surfboard for h hours is 15 + 3h. if teresa wants to rent a surfboard for 4 hours, how much money will she have left over if she paids with $40?

Answer 1

for 4 hours

`15+3h=15+3(4)=15+12=27`

she paids with $40

`40-27=13`

answer: $13