Respuesta :

B.) 20
If x goes from 2 to 4 it was multiplied by 2. you would do the same to the y. 10*2=20
s1m1

Answer:

B)20

Step-by-step explanation:

y=10 when x=2 and varies directly so y=5*x

when x=4 then y=5*x=5*4=20