A bike rental charges a $4.00 rental fee plus $2.25per hour. Selena paid $12.00 to rent a bike. How many hours did Selena rent the bike for?

I can't figure out how to round the answer

4+2.25x=12
-4 -4
2.25x= 8
2.25 2.25
X= 3.555555555555555

1 answer

She rented it for 3.56 hours -- a little more than three and a half hours