SOLUTION: oscar leaves oakley for mexico traveling at a rate of 60 kilometers per hour. marcela leaves oakley at the same time traveling at a rate of 80 kilometers per hour. how long will it

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Question 364003: oscar leaves oakley for mexico traveling at a rate of 60 kilometers per hour. marcela leaves oakley at the same time traveling at a rate of 80 kilometers per hour. how long will it take marcela to be 80 kilometers ahead of oscar?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Her relative speed is 20 km/hr
80/20 = 4 hours