SOLUTION: A motorboatleaves a harbor and travels at an average speed of 9mph toward a small island. Two hours later, a cabin cruiser leaves the same harbor and travels at an average speed of

Question 536996: A motorboatleaves a harbor and travels at an average speed of 9mph toward a small island. Two hours later, a cabin cruiser leaves the same harbor and travels at an average speed of 18mph toward the same island. In how many hours after the cabin cruiser leaves will the cabin cruiser be alongside with the motorboat.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
Motorboat speed 9 mph
cabin cruiser 18 mph
Difference in time=> 2 hours
Motorboat will have covered miles before cabin cruiser starts
catch up distance= 18 miles
catch up speed = 18 -9 mph
catch up speed = 9 mph
Catchup time = catchup distance/catch up speed
catch up time= 18 / 9
catch up time= 2 hours
m.ananth@hotmail.ca

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