Answer:
[tex]10 \div \displaystyle{ \frac{2}{5} }[/tex]
[tex]\displaystyle{ \frac{1}{10} \times \frac{5}{2} }[/tex]
[tex]\displaystyle{ \frac{1}{ \cancel{10} {}^{2} } \times \frac{5}{2} }[/tex]
[tex]\displaystyle{ \frac{5}{4} }[/tex]
[tex]\displaystyle{1 \frac{1}{4} }[/tex]
