SOLUTION: An aeroplane was flying at a height of 1600m.From the time it started to land, it made a change of 70m in every minute. How many minutes will it take to descend to a height of 200m

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Question 599014: An aeroplane was flying at a height of 1600m.From the time it started to land, it made a change of 70m in every minute. How many minutes will it take to descend to a height of 200m?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
An aeroplane was flying at a height of 1600m.From the time it started to land, it made a change of 70m in every minute. How many minutes will it take to descend to a height of 200m?
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Decent distance: 1600m-200m = 1400m
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Decent time: 1400/70 = 20 minutes
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cheers,
Stan H.