SOLUTION: It takes 4 hours to cover a certain distance at 40 km per hour. How long would it take to cover it at 50 km per hour?

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Question 896313: It takes 4 hours to cover a certain distance at 40 km per hour. How long would it take to cover it at 50 km per hour?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It takes 4 hours to cover a certain distance at 40 km per hour. How long would it take to cover it at 50 km per hour?
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Find the distance.
Then find the time at 50 km/hr