Respuesta :

Answer:

105

Step-by-step explanation:

X=8

Y=20

So,

x/y = 8/20

     = 2/5

x=(2/5)y

y= (5/2)x

When x=42

y=(5/2)×42

  =105

Answer:

54

Step-by-step explanation:

6(+647)

34-56+78%25