Provide an appropriate response.
Solve the following using a constant of variation:A gear measures 8 in. across. It turns another gear 6 in. across. If the larger gear has a speed of 30 revolutions per minute (rpm), what is the rpm of the smaller gear?
A. 40 rpm
B. 22.5 rpm
C. 13 rpm
D. 1.6 rpm
Answer: A
Mathematics
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