Question

The value of y varies directly with x, and y = 0.5 when x = 2. Find y when x = 20.

Answer 1

Yo sup??

we can say that

y=Kx

when y=0.5, x=2

1/2=k*2

k=1/4

therefore

y=x/4

when x=29

y=20/4

=5

Hope this helps

Answer 2

Y=5

Explanation:

20 divided by 2 =10

0.5 times 10 = 5