l____l____l_____l______l____l____l____l_____l 8 supra 8 din bidon
2/8 l
l______l________l_______l______l_____l______l a rasmas pt a doua zi
2/6 l
l______l_____l_____l_____l a ramas 4/4 pt a 3 zi
care=32 litri daca 4/4=32 litri vedem ca o parte reprezinta
32/4=8 litri ulei
deci cantitatea de ulei din bidon=
8 ori 8=64 de litri