SOLUTION: A man drove 360 km at a certain speed. The return trip was made at a speed of 9 km per hour greater and return trip took 2 hours less time than in going. How fast did he drive on t
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Question 847289: A man drove 360 km at a certain speed. The return trip was made at a speed of 9 km per hour greater and return trip took 2 hours less time than in going. How fast did he drive on the return trip?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
r*t=360,
(r+9)*(t-2)=360
r = 36, t = 10
r+9=45 kph
t-2=8 hours
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