SOLUTION: One plane can travel 20 miles per hour faster than another. One of them goes 180 miles in same time it takes the other to go 150 miles. What are their speeds?
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Question 403418: One plane can travel 20 miles per hour faster than another. One of them goes 180 miles in same time it takes the other to go 150 miles. What are their speeds?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
t = d / r ___ the times are equal
180 / (x + 20) = 150 / x
180x = 150x + 3000
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