Asked by Jamie
Flying against the wind, a jet travels 3220 miles in 7 hours. Flying with the wind, the same jet travels 2820 miles in 3 hours. What is the rate of the jet in still air and what is the rate of the wind?
Answers
Answered by
Steve
Since speed * time = distance, we have (with jet=j and wind=w):
7(j-w) = 3220
3(j+w) = 2820
j=700
w=240
7(j-w) = 3220
3(j+w) = 2820
j=700
w=240
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