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Aleks
[24]
3 years ago
14
a small airplane flies 625 miles with an average speed of 250 mph.. 1.25 hours after the plane leaves a boeing 747 leaves from t
he same point. both planes arrive at the same time; what was the average speed of the 747?
Mathematics
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answer:
kipiarov
[429]
3 years ago
8
0
Time for first plane = 625 / 250
= 2.5 hours
after 1.25 hours
boeing 747 takes 1.25 hours (2.5 - 1.25) to arrive at the same location at the same time
so, speed = distance / time
= 625 / 1.25
= 500
the average speed of the boeing 747 is 500 mph
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