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?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> 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?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

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) About Me  (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