" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y=ilosc octu 5%
x+y=2
3%x+5%y=2×3,5%
x=2-y
0,03(2-y)+0,05y=0,07
0,06-0,03y+0,05y=0,07
0,02y=0,07-0,06
0,02y=0,01
y=0,01:0,02
y=0,5
x=2-0,5=1,5
trzeba wziąć 1,5 litra octu 3% i 0,5 l octu 5%