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A Plane Flies 400 Miles with the Wind and 350 25mph25 \mathrm{mph}

Question 48

Multiple Choice

A plane flies 400 miles with the wind and 350 miles against the wind in the same length of time. If the speed of the wind is 25mph25 \mathrm{mph} , what is the speed of the plane in calm air?


A) 400mph400 \mathrm{mph}
B) 365mph365 \mathrm{mph}
C) 380mph380 \mathrm{mph}
D) 375mph375 \mathrm{mph}

Correct Answer:

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