SOLUTION: Raul found that by increasing his speed by 5 km/hr, he could drive 12km in 0.2 hrs. What was his original speed? ____kilometers per hour thanx

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Question 39978: Raul found that by increasing his speed by 5 km/hr, he could drive 12km in 0.2 hrs. What was his original speed?
____kilometers per hour
thanx

Answer by Paul(988)   (Show Source): You can put this solution on YOUR website!
EQUATION:

12[(x-x+5)]=0.2[(x)(x+5)]



Solve tha you get x=15
Hence, he drives at 15mph.
paul.

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