Answer:
[tex] \frac{ - 7}{4} [/tex]
Step-by-step explanation:
[tex] \frac{ - 7}{10} \div \frac{2}{5} [/tex]
divide fraction by multiplying its reciprocal
[tex] \frac{ - 7}{10} \times \frac{5}{2 }[/tex]
[tex] \frac{ - 7}{2} \times \frac{1}{2} [/tex]
[tex] \frac{ - 7}{2 \times 2} [/tex]
[tex] \frac{ - 7}{4} [/tex]
