Respuesta :

Answer:

6.0

Step-by-step explanation:

if 10 is multiplied by 1.5 it turns into 15

is 13 is multiplied by 1.5 it turns into 19.5

so the opposite must be true

when x is multiplied by 1.5 it is 9

when 9 is divided by 1.5 it is x

9 / 1.5 is 6

so x is 6