Posted by Xian on Friday, December 6, 2013 at 6:32pm.
A bicycle has a 100 cm diameter wheel. If you ride on and around a circle with a 10 km diameter 12 times, how many revolutions does the wheel make?

Math  Reiny, Friday, December 6, 2013 at 6:51pm
find the circumference of the wheel.
Find the circumference of the circuit, multiply it by 12 , then divide by the circumference of the wheel
change everything to metres. Since you are in the metric system, this is very easy to do.
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