" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
9-X
9*100%=900
900:60=15%
9 TO 15% :D
9-x
x= 9*100%/60 = 15%
9 stanowi 15 % liczby 60