Answer :

anijlin
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
ScienceEllis
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.

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