If carla does 25 jumping jacks 3 times per day how many jumping jacks will she do in 7 days?

Carla will do 525 jumping jacks in 7 days.

First, you multiply 25 by 3. You get 75.

Then you have to multiply 75 by 7. You get 525.

You multiply 25 by 3 to get 75 because that's how many she does in 1 day. And you multiply 75 by 7 to get 525 because she does 75 jumping jacks per day, for 7 days.

How many jumping jacks does carla do in one day?

carla does 25 jumping jacks 3 times per day

25 + 25 + 25 = 75 jumping jacks per day

carla does 75 jumping jacks per day, how many will she do in 7 days?

7 x 75 = 525

Carla will do 525 jumping jacks in 7 days