SOLUTION: Flying with the wind, a small plan flew 300 miles in 2 hours. Against the wind, the plane could fly only 270 miles in the same amount of time. Find the rate of the plane in calm ai

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Question 926879: Flying with the wind, a small plan flew 300 miles in 2 hours. Against the wind, the plane could fly only 270 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
r + w = 150mph
r - w = 135mph
2r = 285
r = 142.5mph, w = 7.5mph 150-142.5