Question 98573
60T+40[(49-15)-T]
60T=40*34-40T
100T=1360
T=13.6 HOURS FOR THE TRIP FROM A TO B.
34-13.60=20.4 H0URS FOR THE RETURN TRIP FROM B TO A.
PROOF
60*13.6=40*20.4
816=816 MILES BETWEEN A & B.
13.6+20.4=34 HOURS IS HER TOTAL DRIVING TIME.