reformulare text :
... copiii au mancat in prima saptamana 3/6 = 1/2 ..... in a doua saptamana 6/12=1/2 din rest
--in prima saptamana : s-au mancat : n/2 au ramas : n/2
-- in a doua " " " " " " " " ' ' ' ' ' ' ' ' 1/2·n/2 = n/4 " " " " " " " n/2 - n/4 = 3n/4
-- in a treia" " " " " " " " " " " 1/3 ·3n/4 + 4=(n+16)/4 " " " 3n/4 - (n+16)/4 = (n-8)/2
-- in a patra" " " " "" "" " " " " 1/2·(n-8)/2 +2 = n/4 " " " (n-8)/2 - n/4 = (n -16)/4
-- in a 5-a " " " " " " " " " " " (n-16)/4 = 8
n-16 = 32 n = 48 mere