Răspunsuri

2014-03-30T19:15:28+03:00
Notam cu a suma initiala
Prima zi a cheltuit 1/4xa si i-au ramas 3/4xa
a doua zi a cheltuit 1/4x3/4xa=3/16xa si i-au ramas  3/4xa-3/16xa=9/16xa
a treia zi a cheltuit 1/3x9/16xa=3/16xa si i-au ramas 9/16xa-3/16xa=6/16xa=72
=>  a=72x16/6=192 lei