Given:
Ratio to buy banana and strawberries is 2:5.
n bananas were bought.
Let 'x' be the number of strawberries.
[tex]\begin{gathered} \frac{n}{x}=\frac{2}{5} \\ \frac{5n}{2}=x \\ x=\frac{5n}{2} \end{gathered}[/tex][tex]No\text{ of strawberries bought= }\frac{\text{5n}}{2}[/tex]