Mathematics, 17.12.2020 19:30, nadiavarela0716

During a recent bike ride, the chain on Elena’s bicycle slipped off the rear gear. In order to reattach the chain, she turned her bicycle upside-down and placed the loose chain on top of the rear gear. She used the pedal to slowly rotate the tire 3/8 of one complete rotation to reattach the chain, as shown by the arrow in the following figure.

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During a recent bike ride, the chain on Elena’s bicycle slipped off the rear gear. In order to reatt...