Question #2f6ff

1 Answer
smendyka
Jan 8, 2018

See a solution process below:

Explanation:

The gear ration for the bike would be: #36:12#

We can reduce this to:

#36:12 -> (3 xx 12):(1 xx 12) -> (3 xx color(red)(cancel(color(black)(12)))):(1 xx color(red)(cancel(color(black)(12)))) ->#

#3:1#

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