SOLUTION: Mattie Evans drove 240 miles in the same amount of time it took a turbo propeller plane to travel 880 miles. The speed of the plane was 160 mph faster than the speed of the car. Fi
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Question 351471: Mattie Evans drove 240 miles in the same amount of time it took a turbo propeller plane to travel 880 miles. The speed of the plane was 160 mph faster than the speed of the car. Find the speed of the plane.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
hi,
Let x be the speed of the car
.
Question states
.
cross multiply to solve
880*x = 240*x + 38400
640*x = 38400
x = 60mph (the speed of the car
.
speed of the plane is 220mph (160mph faster than the car)
.
check your answer
takes plane 4 hrs to travel 880mi
and 60mph*4hrs = 240mi
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