Respuesta :

smaran2020

Answer:

7.5

Step-by-step explanation:

................................

Answer:

10

Step-by-step explanation:

6 / ( 3 + 6 ) = y / 15

6 / 9 = y / 15

2 / 3 = y / 15

3 * y = 15 * 2

y = ( 15 * 2 ) / 3

= 5 * 2

y = 10