Answer:
150
Explanation:
We can solve the problem as shown below;
[tex]\begin{gathered} 300\rightarrow\frac{2}{5} \\ x\rightarrow\frac{1}{5} \\ x\ast\frac{2}{5}=300\ast\frac{1}{5} \\ \frac{2x}{5}=60 \\ x=\frac{5\ast60}{2} \\ \therefore x=150 \end{gathered}[/tex]