Make them equal from each other

The correct choice appears to be ...
... A) 4/15
Answer:
is 23,13 usjebiddje
Step-by-step explanation:
jsjsjebjeh3he
Answer:
4 hours
Step-by-step explanation:
First we need to subtract the one pay fee (the helmet rental fee, $15)
So 51 - 15 = 36
Then we need to divide 36 by the amount of money it costs for each hours to find how many hours he rented the bike
So 39/9 = 4