SOLUTION: A plane can fly 480 miles in the same time as it takes a car to go 210 miles. If the car travels 90 mph slower than the plane, find the speed of the plane.
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Question 618566: A plane can fly 480 miles in the same time as it takes a car to go 210 miles. If the car travels 90 mph slower than the plane, find the speed of the plane.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
t = d / r
480 / p = 210 / (p - 90)
"cross" multiplying ___ 480p - (90 * 480) = 210p
270p = 90 * 480
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