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| Math Central | Quandaries & Queries |
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Question from Cindy, a parent: A boat travels downstream m nautical miles at d knots. It travels upstream m nautical miles at u knots. What is the average speed for the entire trip? |
Hi Cindy,
A knot is a nautical mile per hour and thus if you travel downstream m nautical miles at d nautical miles per hour it takes
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How long did the boat travel upstream? What was the total time for the entire trip? What was the total distance travelled? What was the average speed?
Penny
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