Oceanside Bike Rental Shop charges a 18 dollar fixed fee plus 7 dollars an hour for renting bike. Jason paid 81 dollars to rent a bike. How many hours did he pay to have the bike check out?

9 hours.

Step-by-step explanation:

Let x represent number of hours.

We have been given that Oceanside Bike Rental Shop charges a 18 dollar fixed fee plus 7 dollars an hour for renting bike.

The cost of renting bike for x hours would be .

The total cost of renting bike for x hours would be cost of x hours plus fixed charges that .

We are told that Jason paid 81 dollars to rent a bike. To find the number of hours, we will equate total cost of renting bike for x hours by 81 as:

Let us solve for x.

Therefore, Jason paid for 9 hours to have the bike check out.

where is the page?

step-by-step explanation:

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb