Question

me ajudem por favor ?

Answer 1

$\frac{x}{y} = \frac{4}{3} \\ 3x = 4y \\ x = \frac{4y}{3} \\ x - y = 20 \\ ( \frac{4y}{3} ) - y = 20 \\ 4y - 3y = 60 \\ y = 60 \\ \\ x - 60 = 20 \\ x = 80$