Buster and bernice are selling wrapping paper to raise money for the school trip to the zoo busters sold 21 and bernice sold 18 if each box contains 12 rolls of wrapping paper how many rolls of wrapping paper did they sell combine

They sold 468 rolls of wrapping paper

Step-by-step explanation:

multipl how many boxes each of them sold by how many rolls were in each box. You get 252 rolls and 216 rolls. Then add both of those together to get 468 rolls of wrapping paper.

incomplete question. how do you expect anyone to you when you do not post the question in its entirety?

it would take 7/10 of an hour too fill the pool.

step-by-step explanation: