SOLUTION: Solve and verify your answer. A plane can fly 300 miles in the same time as it takes a car to go 140 miles. If the car travels 80 mph slower than the plane, find the speed of th

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve and verify your answer. A plane can fly 300 miles in the same time as it takes a car to go 140 miles. If the car travels 80 mph slower than the plane, find the speed of th      Log On


   

Question 1130448: Solve and verify your answer.
A plane can fly 300 miles in the same time as it takes a car to go 140 miles. If the car travels 80 mph slower than the plane, find the speed of the plane.
Answer by ikleyn(52824) About Me  (Show Source):
You can put this solution on YOUR website!
.
300%2Fp = 140%2F%28p-80%29


ANSWER.  The plane speed is  p = 150 miles per hour.



CHECK.  Left  side of the equation is  300%2F150 = 2.

        Right side of the equation is  140%2F%28150-80%29 = 2.     ! Correct !