Question

7/20:3x=0,007:0,72
помогите пожалуйста

Answer 1

$\frac{7}{20} \div 3x = 0.007 \div 0.72 \\ \\ \frac{7}{20} \times \frac{1}{3} x = \frac{7}{1000} \div \frac{18}{25} \\ \\ \frac{7}{60} x = \frac{7}{1000} \times \frac{25}{18} \\ \\ \frac{7}{60} x = \frac{7}{720} \\ \\ x = \frac{1}{12}$