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26-02-2018
Mathematics

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The gear ratio describes the ratio of one gear's diameter to another gear in the same chain. The gear ratio between two specific gears is 3 to 2. If the diameter of the larger gear is 18 cm, what is the diameter of the smaller gear?

A. 24 cm B. 18 cm
C. 12 cm D. 6 cm

Respuesta :

26-02-2018

The answer is 12 cm. 3+3=6 18cm-6cm = 12 cm.

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