SOLUTION: A cyclist rode the first 24 mile portion of his workout at a constant speed. For the 16 mile cooldown portion of his​ workout, he reduced his speed by 4 miles per hour. Each
Question 1080137: A cyclist rode the first 24 mile portion of his workout at a constant speed. For the 16 mile cooldown portion of his workout, he reduced his speed by 4 miles per hour. Each portion of the workout took the same time. Find the cyclist's speed during the first portion and find his speed during the cooldown portion. Answer by ikleyn(52864) (Show Source): You can put this solution on YOUR website! .
Your equation is
= .
Cross multiply:
24*(r-4) = 16r,
24r - 96 = 16r ---> 24r - 16r = 96 ----> 8r = 96 ---> r = = 12.
Answer. The speed during the first portion is 12 miles per hour
and the speed during the rest of the trip was 12-4 = 8 mph.