" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
gasté:4
Resto:x-4
Luego gaste:3(x-4)/4
⇒x-4-3(x-4)/4 = x/5
MCM:20
20x-80-15x+60=4x
5x-20=4x
x=20
Al principio tenia 20