Question

Ayuden me por favor ​

Answer 1

Respuesta:

3.

$2x + \frac{x}{2} = 40 \\ \frac{4x + x}{2} = 40 \\ 5x = 80 \\ x = \frac{80}{5} \\ x = 16$

4.

$x \times \frac{4}{5} = \frac{5}{3} + \frac{2}{3} \\ \frac{4x}{5} = \frac{7}{3} \\ 12x = 35 \\ x = \frac{35}{12}$