Question 250355
D=RT
D=60T
D=80(T-3)
SET THE 2 DISTANCES EQUAL.
60T=80(T-3)
60T=80T-240
60T-80T=-240
-20T=-240
T=-240/-20
T=12 HOURS THEY WILL MEET.
PROOF:
60*12=80(12-3)
720=80*9
720=720