bdominguezmoraoxumd2 bdominguezmoraoxumd2

15-10-2017
Mathematics

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A plane can fly 330 miles in the same time as it takes a car to go 210 miles. If the car travels 60 mph slower than the plane, find the speed of the plane.

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Fernando42 Fernando42

15-10-2017

330/x=210/x-60
11/x=7/x-60
11x-660=7x
4x=660
x=165

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