Answer:
24 days
Step-by-step explanation:
We wish to eliminate the unit of measurement "miles," ending up with the number of days on which LeRoy ran.
Recall that distance = rate times time. Here
distance
-------------- = time
rate
Plugging in the appropriate quantities (given in the problem statement),
15 miles 15 3
----------------------- = -------- days = -------- days = 24 days
(5/8) (mi/day) 5/8 1/8
