Oceanside Bike Rental Shop charges a 15 dollar fixed fee plus 9 dollars an hour for renting a bike. Melanie paid 60 dollars to rent a bike. How many hours did she pay to have the bike checked out ?

5 hours

Step-by-step explanation:

First, you have to subtract the fixed fee of $15 to the total amount that Melanie paid. This has to be subtracted since one has to pay for this every time he/she rents a bike.

Next, you have to divide $45 by $9/hour in order to know how many hours Melanie rented the bike.

Therefore, Melanie had the bike checked out for 5 hours.

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

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step-by-step explanation: