Fran wants to rent a scooter for the afternoon, but she can spend no

12.50 + (7.5)(h-1) ≤ 50

6 hours or less

Step-by-step explanation:

The first hour is 12.50.  Each additional hour is 7.50

Let h be the number of hours

12.50 + (7.5)(h-1)

We use h-1 since the first hour is 12.50

This must be less than  or equal to 50

12.50 + (7.5)(h-1) ≤ 50

Now we solve the inequality

Subtract 12.50 from each side

12.50-12.50 + (7.5)(h-1) ≤ 50-12.50

(7.5)(h-1) ≤ 37.50

Divide by 7.5 on each side

 (7.5)/7.5(h-1) ≤ 37.50/7.5

 h-1  ≤ 5

Add 1 to each side

h-1+1  ≤ 5+1

h  ≤ 6

We can only rent for 6 hours or less