SOLUTION: A cruise ship made a trip to Mexico and back. The trip there took 10 hours and the trip back took 9 hours. It averaged 20 km/hr on the return trip. Find the average speed of the tr

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Question 911231: A cruise ship made a trip to Mexico and back. The trip there took 10 hours and the trip back took 9 hours. It averaged 20 km/hr on the return trip. Find the average speed of the trip there. Find the distance the ship when first. Then find the average speed.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
returning: 9hr%2A20mph+=+180mi
180mi/10hr = 18mph, the average speed of the trip there.