Question 314531
D=RT
D=50T
D=40(T+.2)
50T=40(T-.2)
50T=40T+.8
50T-40T=8
10T=8
T=8/10
T=.8 HOURS OR 48 MINUTES.
50*.8=40 MILES IS THE DISTANCE.
40(.8+.2)=40*1=40 MILES.