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\[16.\ Нахождение\ числа\ по\ его\ \]
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\[\textbf{а)}\ 30\ :\frac{3}{5} = 30 \cdot \frac{5}{3} = 10 \cdot 5 =\]
\[= 50\ м^{2}.\]
\[\textbf{б)}\ 720\ :\frac{3}{4} = 720 \cdot \frac{4}{3} = 240 \cdot 4 =\]
\[= 960\ руб.\]
\[\textbf{в)}\ 93\ :\frac{1}{10} = 93 \cdot 10 =\]
\[= 930\ зерен.\]
\[\textbf{г)}\ 12\ :\frac{1}{4} = 12 \cdot 4 = 48\ км.\]
\[\textbf{д)}\ 3\ :\frac{3}{8} = 3 \cdot \frac{8}{3} = 8\ см.\]
\[\textbf{е)}\ 2\ :\frac{3}{10} = 2 \cdot \frac{10}{3} = \frac{20}{3} = 6\frac{2}{3}^{0}\]
\[\textbf{ж)}\ 360\ :\frac{18}{100} = 360 \cdot \frac{100}{18} =\]
\[= 20 \cdot 100 = 2000\ г = 2\ кг.\]