SOLUTION: A man drove 90km in 1 hour. How long did he take to drive 30km?

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Question 254110: A man drove 90km in 1 hour. How long did he take to drive 30km?
Answer by palanisamy(496) About Me  (Show Source):
You can put this solution on YOUR website!
A man drove 90km in 1 hour.
So the speed of the man = 90kmph
Time required to travel a distance of 30 km = (Distance)/(speed)
= 30/90 hour
= 1/3 hour
= (1/3)*60
= 20 min