SOLUTION: two boats left the North harbor at 4:30 Pm. One traveled east at a rate of 45kph,and the other west at 35 kph. How long will it take the boats to be 300 kilometers apart?

Question 252618: two boats left the North harbor at 4:30 Pm. One traveled east at a rate of 45kph,and the other west at 35 kph. How long will it take the boats to be 300 kilometers apart?
Answer by palanisamy(496) (Show Source): You can put this solution on YOUR website!
Given,
two boats left the North harbor at 4:30 Pm. One traveled east at a rate of 45kph,and the other west at 35 kph.
Their relative speed = 45+35 = 80kmph
The distance between the boats = 300kms
Time taken = Distance/relative speed
= 300/80
=3 3/4 hours
= 3h 45m
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