Answer:
to find you first take 20 make 3 boxes the least you can put in the boxes is 5 because if you are counting by 5 you have 5 10 and 15 and 20 so the lease you can do is 5 per box so now in total you have 15 and 5 left over remember she has 2 left for her so the other 3 will separately go 1 into each box so theirfore you would have 6 muffins per box
Explanation:
6:3 is the ratio because it is 6 muffins to each box