Respuesta :
4 boxes left because 147 divided by 21 equals 7.
Then 7 - the boxes they are which are 3 equals 4
Then 7 - the boxes they are which are 3 equals 4
Katrina and her family have 4 boxes left.
you take 147/21 to get 7 boxes and then you take 7-3 to get 4
you take 147/21 to get 7 boxes and then you take 7-3 to get 4