Question

Ana ,Barbu si Cosmin au nuci. Barbu are cu 9nuci mai mult decat Ana si cu 17mai putine decat Cosmin.Sa se afle cate nuci au in total, daca Barbu are 24

Answer 1

barbu= 9 + a ( a = nr de nuci al anei )
cosmin= b + 17 ( b= nr de nuci ale lui barbu )
barbu = 24
a= 24-9 = 15
c= 24+17= 41

Answer 2

24-9=15(nuci are Ana)
24+17=41(nuci are Cosmin)
24+15+41=80(nuci au in total)