Question

Решите уравнение 38:314=х:410

Answer 1

$frac{ frac{3}{8} }{ frac{3}{14} } = frac{x}{ frac{4}{10} } \ frac{7}{4} = frac{5x}{2} \ 7 times 2 = 4 times 5x \ 14 = 20x \ 20 = 14 \ x = frac{7}{10} = 0.7$