Mathematics, 24.03.2020 23:10 2643050

Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 5 inches, and the larger gear has a radius of 7 inches. Hannah has marked the larger gear with a piece of white tape, and she watches that gear complete 21 rotations.

In the same amount of time, approximately how many rotations did the smaller gear complete?

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