" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
35% -----x
70x=35*140
70x=4900 /:70
x=70
100% - x
x=100%*140/70%=200
100%-200
35%-y
y=35%*200/100%=70
odp.35% tej liczby wynosi 70.