Question

Help trying to help my daughter and I have no idea where to start

Answer 1

answer is scale of 1.25 == 5/4

Explanation:

this is obtained by having the new side / the = old side, 15/12 =1.25, you can check it by doing 5*1.25 ==25/4 in decimal form.

Answer 2

1/3

Explanation:

5 * 3 = 15