SOLUTION:
Two airplanes leave Chicago at the same time and fly in opposite directions. If one travels at 440 miles per hour and the other at 530 miles per hour, how long will it take for t
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Question 709514:
Two airplanes leave Chicago at the same time and fly in opposite directions. If one travels at 440 miles per hour and the other at 530 miles per hour, how long will it take for them to be 3,880 miles apart?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
D=RT
D=440T
D=530T
D+D=3880
440T+530T=3880
97T=3880
T=3880/970
T= 4 HOURS.
PROOF:
440*4+530*4=3880
1760+2120=3880
3880=3880
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