Question

7/18:5/9=x:3/14 2пример 5/2,7=0,45/а 3пример 12,3/2,324= x-4/46,48
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Answer 1

$\frac{7}{18} \div \frac{5}{9} = x \div \frac{3}{14} \\ 1) \frac{7}{18} \times \frac{9}{5} = \frac{7}{10} \\ 2)x \times \frac{14}{3} = \frac{14x}{3} \\ 3) \frac{7}{10} = \frac{14x}{3} \\ 21 = 140 x \\ 140x = 21 \\ x = \frac{21}{140} = \frac{3}{20}$