Question

ayuda, porfa la solución!!

Answer 1

3.
a) x = Salario antes del incremento

x * 1.2 = 3000
x = 3000/1.2 = 2500 S/.

b) x = Precio antes de los descuentos
x * 0.9 * 0.8 = 360
x = 360 / (0.9 * 0.8) = 360 / 0.72 = 500 S/.