Connected 7933

There are three connected gears. Wheel A has 30 teeth, wheel B has 15 teeth, and wheel C has 20 teeth.
How many turns does wheel A make when wheel C turns nine times?

a) 6, b) 5, c) 4 d) 8

Correct answer:

a =  6

Step-by-step explanation:

c=9 b=c 20/15=9 20/15=12 a=b 15/30=12 15/30=6



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