Respuesta :

parkopalis

Answer:

1/3

Step-by-step explanation:

5 * 3 =  15

JayDilla

Answer:

answer is scale of 1.25 == 5/4

Step-by-step 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.