Asked by TJS91

Elenore made an 850 mile trip east. She traveled 2 hours by jet and 30 minutes by a private propeller plane. If the speed of the jet was four times the speed of the propeller plane, what was the speed of the jet?

Answered by Steve
if the speed of the prop is x, then the jet is 4x.

Since distance = speed * time, we have


4x*2 + x * 1/2 = 850
Answered by Anonymous
339
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