SOLUTION: here's my problem: a jet plane traveling at 500 mph overtakes a propeller plane traveling at 200mph that had a 2-hour head start. how far from the starting point are the planes?

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Question 157582: here's my problem:
a jet plane traveling at 500 mph overtakes a propeller plane traveling at 200mph that had a 2-hour head start. how far from the starting point are the planes?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
500T=200(T+2)
500T=200T+400
500T-200T=400
300T=400
T=400/300
T=4/3 HOURS THEY WILL MEET.
D=500*4/3=666.67 MILES.
PROOF:
500*4/3=200(4/3+2)
666.67=200*10/3
666.67=666.67