Question

Помогите пжпжппжпжжппжпжпжпж!!!!!!!!!!!!!!!!!!!!!
20 балов за 1 задание

Answer 1

$\frac{5}{2.7} = \frac{0.45}{x } \\ 5x = 0.45 \times 2.7 \\ 5x = 1.215 \\ x = 1.215 \div 5 \\ \\ x = 0.243$

а второй;

$\frac{y}{51.6} = \frac{11.2}{34.4 } \\ 34.4y = 11.2 \times 51.6 \\ 34.4y = 577.92\\ y = 577.92 \div 34.4 \\ y = 16.8$