SOLUTION: If a family biked 18 kilometers in 3 hours, what was their average speed in kilometers per hour?

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Question 267297: If a family biked 18 kilometers in 3 hours, what was their average speed in kilometers per hour?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
There are 2 numbers to use.
What's your guess?

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