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Question:
On a bicycle there are 30 teeth on the gear sprocket connected to the pedals, and 10 teeth on the sprocket connected to the rear wheels. If you pedal the bike 12 times, how many times will the rear wheel turn?
A
36 times
explanation
Since there are 30 teeth on the pedal sprocket, but only 10 teeth on the rear wheel, each revolution of the pedal will turn the rear wheel 3 times. So 12 revolutions will turn the rear wheel 36 times.
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10 months ago
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10 months ago
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10 months ago
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