Răspuns :
100%+10%=110%
100%...........120lei
110%.......... x lei
_______________-
x=110x120/100
x=132 lei
100%...........120lei
110%.......... x lei
_______________-
x=110x120/100
x=132 lei
[tex]Pretul \ este \ 120 \ dupa \ care \ aflam \ scumpirea \ si \ adaugam \ la \ pret(120) \\ \\ 100\%...........120 \\ 10\%..............x \\ \\ x= \frac{10*120}{100}= \frac{1200}{100}=\boxed{12\ scumpirea} \\ \\ 120+12=\boxed{132\ pret\ final} [/tex]