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August 8th, 2009, 04:22 AM   #1
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Circle problem

Hi Guys,

I need a help to know if the "Diameter of each wheel of a bicycle is 26 inches, if you are travelling at a speed of 3 miles per hour on this bicycle, thoruhg how many revolutions per minute are the wheels turning?"
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August 8th, 2009, 05:13 AM   #2
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Quote:
Originally Posted by techamitdev
Diameter of each wheel of a bicycle is 26 inches, if you are travelling at a speed of 3 miles per hour on this bicycle, thoruhg how many revolutions per minute are the wheels turning?
If the diameter is 26 inches, then what is the circumference, in inches?

Then what is the circumference, in feet? (Do not round your answer!)

If you are moving at three miles per hour, then what is your rate in feet per hour?

Then what is your rate in feet per minute?

How many circumferences ("footprints" of your tire) will fit into that number of feet?

Then how many revolutions are your wheels doing in one minute?

If you get stuck, please reply showing how far you have gotten. Thank you!
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