Question

4 Gears A and B turn together. Gear A turns 20 times when

Gear B turns 30 times. When Gear A turns 60 times,
how many times does Gear B turn? Show your work

Answer 1

• 90 turns

Explanation:

Ratio of turns

• A/B = 20/30 = 2/3

If A = 60 then the ratio is

• 60/B = 2/3 ⇒ B = 60*3/2 = 90