Question

k:5/6=2/9:10/9
$k \div \frac{5}{6} = \frac{2}{9 } \div \frac{10}{9}$
решите пропорцию
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Answer 1

Решение:

$\frac{k}{ \frac{5}{6} } = \frac{ \frac{2}{9} }{ \frac{10}{9} } = \frac{6k}{5} = \frac{2}{10} \\ \frac{6k}{5} = \frac{1}{5} \\ 6k = 1 \\ k = \frac{1}{6}$