A bike is in fourth gear.

When the pedals turn 3 times, the rear wheel turns 7 times. When the pedals turn twice, how many times does the
rear wheel turn?

1 answer

7/3 = rear/2
3rear = 14
rear = 14/3 or 4 2/3 turns

or

3 pedal turns = 7 rears
1 pedal turn = 7/3 rears
2 pedal turns = 14/3 rears