Question

Реши уравнение 1: 6: x равно 2: 25: 7

Answer 1

1:6:x = 2:25:7
$1:6:x = 2:25:7 \\ \frac{1}{ \frac{6}{x} } = \frac{2}{ \frac{25}{7} } \\ \frac{1 \times x}{6} = \frac{2 \times 7}{25} \\ \frac{x}{6} = \frac{14}{25} \\ 25x = 84 \\ x = \frac{84}{25} \\ x = 3 \frac{9}{25} \\ x = 3.36$