Question

alin si vlad au impreuna 67 de timbre.alin spune,,eu am cu 7 mai multe decat jumatate din cate ai tu.cate timbre are fiecare?

Answer 1

A+V=67
A= 7+ V/2
7+V/2+V=67
V/2+2V/2=67-7=60
(V+2V)/2=60
3V=60*2=120
V=120:3=40 TIMBRE ARE VLAD
A=7+40/2=7+20=27 TIMBRE ARE ALIN