SOLUTION: A ship sails 30 kilometers in 1 1/2 hours.What was its rate in kilometers per hour?

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Question 217567: A ship sails 30 kilometers in 1 1/2 hours.What was its rate in kilometers per hour?
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
r=D/t
30/1.5=20 kph