Question
A gear with 60 teeth is meshed to a gear with 40 teeth. If the larger gear revolves at 20 revolutions per minute, how many revolutions does the smaller gear make in a minute?
not just an answer please
(A)13 1/3
(B)3
(C)300
(D)120
(E)30
not just an answer please
(A)13 1/3
(B)3
(C)300
(D)120
(E)30
Answers
Steve
The total teeth per minute on both gears must be the same, so
60*20 = 40x
x = 30
60*20 = 40x
x = 30