SOLUTION: Two airplanes leave Chicago at the same time and fly in opposite directions. If one travels at 560 miles per hour and the other at 510 miles per hour, how long will it take for the

Question 565868: Two airplanes leave Chicago at the same time and fly in opposite directions. If one travels at 560 miles per hour and the other at 510 miles per hour, how long will it take for them to be 4,280 miles apart?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Two airplanes leave Chicago at the same time and fly in opposite directions.
If one travels at 560 miles per hour and the other at 510 miles per hour, how long will it take for them to be 4,280 miles apart?
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They are separating at (560+510) = 1070 mph
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time = distance/rate = 4280/1070 = 4 hrs
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Cheers,
Stan H.
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