SOLUTION: An airplane travels eight times as fast as a car. The difference in their speeds is 420 km/h. How fast is each vehicle travelling?
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Question 717736: An airplane travels eight times as fast as a car. The difference in their speeds is 420 km/h. How fast is each vehicle travelling?
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
By a smart guess, let's say the vehicle is traveling 60km/h.
8 times that is 480km/hr.
That gives us a difference of 420 km/h
RJ
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