SOLUTION: A plane can fly 480 miles in the same time as it takes a car to go 160 miles. If the car travels 80 mph slower than the plane, find the speed of the plane.
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Question 404622: A plane can fly 480 miles in the same time as it takes a car to go 160 miles. If the car travels 80 mph slower than the plane, find the speed of the plane.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
x-80/160=x/480
160x=480x-38400
-320x=-38400
x=120 mph
480/120=160/40
4 hrs= 4 hrs
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