Răspuns :
1000....................100%
x............................10%
x=1000x10/100=100 lei este scumpirea
1000+100=1100 lei dupa scumpire
x............................10%
x=1000x10/100=100 lei este scumpirea
1000+100=1100 lei dupa scumpire
1000 lei....................100%
xlei............................110%
x=1000*110/100=10*110=1100 lei
xlei............................110%
x=1000*110/100=10*110=1100 lei