" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x+10%x=x+0,1x=1,1x
1,1x+20%×1,1x=1,1x+0,2×1,1x=1,1x+0,22x=1,32x
x=100%
1,32x=z%
............
z=1,32×100:1
z=132%
132%-100%=32%
odp. cenę należało od razu podnieśc o 32%
100% + 30% =130% czyli to samo ;d