Question

Решите под буквой в и г СРОЧНО

Answer 1

$2.05 = \frac{7x}{ \frac{21}{5} } \\ 2.05 = \frac{5x}{3} \\ \frac{3}{5} \times 2.05 = x \\ \frac{3}{5} \times \frac{41}{20} = x \\ x = \frac{123}{100} = 1.23$