$$\left. \begin{array} { l } { a : 400 = 6 : 25 } \\ { 5 b : 8 = 2 : 5 , b } \end{array} \right.$$
$c=\frac{16}{25}=0.64$
$$a=\frac{6}{25}\times 400$$
$$a=96$$
$$5b=\frac{2}{5}\times 8$$
$$5b=\frac{16}{5}$$
$$b=\frac{\frac{16}{5}}{5}$$
$$b=\frac{16}{5\times 5}$$
$$b=\frac{16}{25}$$
$$c=\frac{16}{25}$$
$$a=96$$ $$b=\frac{16}{25}$$ $$c=\frac{16}{25}$$
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