Question 161625
25T=30(T-1/6)
25T=30T-5
25T-30T=-5
-5T=-5
T=1 HOUR IS THE CATCH-UP TIME FOR MARY.
PROOF:
25*1=30(1-1/6)
25=30*5/6
25=150/6
25=25 MILES IS THE DISTANCE TRAVELED BEFORE THE CATCH-UP.