Răspuns :
20% din 3000 l.
3000x20:100=600 l smantana
1 l.=1000 ml
600 l.=600000 ml.
600000:600 ml=1000
V:1000x0,600 l=600 l
R: sunt necesare 1000 de pungi
3000x20:100=600 l smantana
1 l.=1000 ml
600 l.=600000 ml.
600000:600 ml=1000
V:1000x0,600 l=600 l
R: sunt necesare 1000 de pungi
3000..............100%
x.......................20%
x=3000*20/100=600
600 l=600000ml
600000:600=1000 de pungi sunt necesare
x.......................20%
x=3000*20/100=600
600 l=600000ml
600000:600=1000 de pungi sunt necesare