Flying against the wind, a jet travels

3950mi in 5 hours. Flying with the wind, the same jet travels

4280mi in 4 hours. What is the rate of the jet in still air and what is the rate of the wind?

Question

Finley Pitts

2 October, 06:30

+2

Answers (1)

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Philip Arellano · Answer 1

{ (V-v) * 5=3950 (mi)

{ (V+v) * 4=4280 (mi)

{V-v=790

{V+v=1070

2V-v+v=1070+790

2V=1860

V=930 (mi/h)

v=V-790=930-790=140 (mi/h)

Flying against the wind, a jet travels3950mi in 5 hours. Flying with the wind, the same jet travels4280mi in 4 hours. What is the rate of the jet in still air and what is the rate of the wind?