Question

ana are o suma de bani.cheltuieste in a doua zi de 3 ori mai mult decat in prima zi,iar in a treia zi de 6 ori mai mult decat in prima zi.stiind ca in a treia zi a cheltuit cu 30 lei mai mult decat in a doua zi,sa se afle ce suma de bani a avut ana

Answer 1

a  /------10------/
b /------10-------/-------10-----/-----10--------/
c /---------10----/-----10-------/-------10------/------10-------/----10--------/-----10--------/
30/3=10 o parte
a=10
b=30
c=60
10+30+60=100