Question 92870
220=60T+65(3.5-T)
220=60T+227.5-65T
220-227.5=-5T
-5T=-7.5
T=-7.5/-5
T=1.5 HOURS AT THE SLOWER RATE OF 60MPH.
PROOF
220=60*1.5+65*2
220=90+130
220=220