Question 210114
D=RT
D=40T
D=45(4-T)
40T=45(4-T)
40T=180-45T
85T=180
T=180/85
T=2.118 HOURS FOR THE FIRST TRIP.
4-2.118=1.882 HOURS FOR THE RETURN TRIP.
D=40*2.118=84.7 MILES.
D=45*1.882=84.7 MILES.
84.7*2=169.4 MILES IS THE DISTANCE TRAVELED.