Question

помогите пж дам 15 балов​

Answer 1

Ответ:

$\frac{11}{18} = \frac{55}{x} \\ x = \frac{55 \times 18}{11} \\ x = \frac{990}{11} \\ x = 90$

$\frac{35}{63} = \frac{x}{9} \\ x = \frac{35 \times 9}{63} \\ x = \frac{315}{63} \\ x = 5$

$\frac{64}{x} = \frac{16}{18} \\ x = \frac{64 \times 18}{16} \\ x = \frac{1152}{16} \\ x = 72$