If a bicyclist rides at 10 miles per hour for 10 minutes, and then speeds up to 20 miles per hour for the next 20 minutes, what is her average speed for this ride? - Triviacafe

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If a bicyclist rides at 10 miles per hour for 10 minutes, and then speeds up to 20 miles per hour for the next 20 minutes, what is her average speed for this ride?

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16 + 2/3 MILES / HOUR TOTAL DISTANCE / TOTAL TIME = {10/6 + 20/3 =50/6 } /1/2

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