Question

решите пропорцию: 24/х=8/5; m:12=7:10

Answer 1

$\frac{24}{x} = \frac{8}{5} \\ x = \frac{24 \times 5}{8} \\ x = 15$
$\frac{m}{12} = \frac{7}{10} \\ m = \frac{7 \times 12}{10} \\ m = 8.4$