Given: y=10 then x=40
We use cross multiplication and set it up as a fraction.
[tex]\frac{x}{40}=\frac{32}{10}\text{ }\Rightarrow10x=32*40\text{ }\Rightarrow10x=1280\Rightarrow\frac{10x}{10}=\frac{1280}{10}[/tex]So you just divide 10 on both sides to get x by itself.
Answer: x=128
