Question

Assume that y varies directly with x. if y =2/5 when x =1/3, find y when x=1/4

Answer 1

`\begin{gathered} y=ax \\ (2)/(5)=a*(1)/(4) \\ a=(8)/(5) \\ \text{Now, y=ax} \\ y=(8)/(5)*(1)/(4)=(2)/(5) \end{gathered}`