Question 796307
Running Speed = x
Cycling Speed = x + 9
19.5/x + 9 = 6/x
Cross multiply
19.5x = 6x + 54
Collect like terms:
19.5x - 6x = 54
13.5x = 54
x = 4
Running speed = 4 mph
Cycling speed = 13 mph
Hope this helps.
:-)