Simplify: (2.5 ÷ 0.0005) ÷ (25 ÷ 0.05)

Expression to simplify:

Solution: 

​$$=\left( \frac{2.5}{0.0005} \right) \div \left( \frac{25}{0.05} \right) \\ \ \\ = \left( \frac{2.5}{0.0005} \right) \times \left( \frac{0.05}{25} \right) \\ \ \\ = 10$$​​