Relax

Respuesta :

Answer:

Step-by-step explanation:

1. x/10=12/15

x*15=10*12

x=10*12/15

x=2*5*3*4/5*3=8

x=8

2. x/9=8/6

x*6=9*8

x=9*8/6

x=3*3*8/3*2=24/2

x=12