Question

помогите решить задачу уравнением

Answer 1

$\frac{72}{24} = \frac{x}{28} = > x = \frac{72 \times 28}{24} \\ x = 84$
$\frac{420}{48} = \frac{x}{85} = > x = \frac{420 \times 85}{48} \\ x = 743.75$
$36 \times 3 = x \times 2 \: = > x = \frac{36 \times 3}{2} \\ x = 54$