Question

Chen can jump rope 60 times a minute. At that rate, how many jumps can he make in 9 minutes?

Answer 1

He can jump 540 times- just do 60x9 and that equals 540

Answer 2

540 jumps in 9 minutes.

Explanation:

60 jumps a minute. Chen is fast, but we need to find how many jumps in 9 minutes.

Let's say one minute is m

m = 60

9m = 60x9

We do x9 because from m to 9m you need to multiply by 9, so lets do that on both sides.

9m = 540

9 minutes = 540 jumps

Hope this helps!

--Applepi101