SOLUTION: Two planes fly in opposite directions. One travels 425 mi/h and the other 575 mi/h. How long will it take before they are 4,000 mi apart?

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Question 987642: Two planes fly in opposite directions. One travels 425 mi/h and the other 575 mi/h. How long will it take before they are 4,000 mi apart?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Two planes fly in opposite directions. One travels 425 mi/h and the other 575 mi/h. How long will it take before they are 4,000 mi apart?
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They are separating at a rate = 425+575 = 1000 mph
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Ans: time = distance/rate
time = 4000/1000 = 4 hours
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Cheers,
Stan H.
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