Question

Ayúdenme!!!!!!??????

Answer 1

40

160

0.5

Explicación paso a paso:

multiplicando en cruz y sale

A)

$\frac{18}{24} = \frac{30}{x} \\ 18x = 30 \times 24 \\ x = 40$

B)

$\frac{25}{100} = \frac{40}{x} \\ 25x = 40 \times 100 \\ x = 160$

C)

$\frac{3.6}{21.6} = \frac{x}{3} \\ 3.6 \times 3 = 21.6x \\ x = 0.5$