v=80cm3d=1,45g/cm3m=v*dm=80*1,45m = 116g
116g 45% ...................... 15-0=15.......................15%xg 0% ............................ 45-15=3015x = 116*3015x=3480x = 232g wody
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
v=80cm3
d=1,45g/cm3
m=v*d
m=80*1,45
m = 116g
116g 45% ...................... 15-0=15
.......................15%
xg 0% ............................ 45-15=30
15x = 116*30
15x=3480
x = 232g wody