Respuesta:
Explicación paso a paso:
descuento del 20% = 80% precio
80% = 120% x
100% =x
x = 100*120/80
x = 150%
entonces se aumento 150%-100% = 50%
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Respuesta:
Explicación paso a paso:
descuento del 20% = 80% precio
80% = 120% x
100% =x
x = 100*120/80
x = 150%
entonces se aumento 150%-100% = 50%