Question

If a front gear had 24 teeth, and a rear gear has 12 teeth:

If the pedal goes around twice, how many times will the rear wheel go around?

Answer 1

4 for 4 the answer is b

Step-by-step explanation:

Answer 2

4 times around

Step-by-step explanation:

The total number of teeth involved will be the same for each gear. If the front gear is connected to the pedal and it goes around twice, then 2·24 = 48 teeth will have passed the reference point.

If the rear gear is attached to the wheel, and 48 teeth pass the reference point, then it will have made ...

(48 teeth)/(12 teeth/turn) = 4 turns