Răspuns :
126:100x15=18,9 lei prima scumpire
126+18,9=144,9 lei
144,9:100x10=14,49 lei a doua scumpire
144,9+14,49=159,39 lei
R final: 159,39 lei
126x15/100=17,9 lei
126+17,9=143,9 prima marir
143,9x10/100=14,39lei a doua marire
143,9+14,39=158,29lei dupa cele doua mariri
126+17,9=143,9 prima marir
143,9x10/100=14,39lei a doua marire
143,9+14,39=158,29lei dupa cele doua mariri