Question

If x=8, y=20. Find y when x=42

Answer 1

Well, 42 divided by 8 is 5.25 and 5.25 times 20 is 105.

Answer 2

I think that's correct.

Answer 3

So, x=42 and y=105

Answer 4

set it up as a proportion
8/20 = 42/x

now solve for x. Can you do that ?

Answer 5

Or that.

Answer 6

8y=42*20
8y=840
y=105

Answer 7

correct :)