" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
gumka y zł
Po podwyżce
Ołówek x+9%x=x+0,09x=1.09x
Gumka y+15%y=y+0,15y=1,15y
3*(1,09x)+4*(1,15y)=3,27x+4,6y
Odp.
(3,27x+4,6y) zł