Question 715431
D=RT
D=50T FOR THE TRAIN.
D=175(T-2) FOR THE PLANE.
50T=175(T-2)
50T=175T-350
50T-175T=-350
-125T=-350
T=-350/-125
T=2.8 HOURS ANS.
PROOF:
50*2.8=175(2.8-2)
140=175*.8
140=140