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Marion has a bicycle that she is planning to take for a ride. The rim of the rear wheel lies 41 cm from the center of the wheel. The tire itself has a thickness of 3 cm.In order to Marion to ride her bicycle 96,712 cm, approximately how many rotations will the rear wheel make?

a. 15.9
b. 350
c. 376
d. 5133

 Feb 26, 2019

The radius of the wheel is  41 + 3  = 44cm


Each rotation the wheel travels  2pi (44) =   88pi cm


So....the number of rotations is


96712  / [88pi ]  ≈  350  rotations



cool cool cool

 Feb 26, 2019

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