7 caciuli---------------24 fulare=632 lei
14 caciuli-------------10 fulare=618 lei I :2=>7 caciuli---------5 fulare=309 lei
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7caciuli--------------24 fulare=632 lei-
7caciuli---------------5 fulare=309 lei
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/ 19 fulare=323=>fular=323:19=17 lei costa un fular
7 caciuli+24x17 fulare=632=>7 caciuli=632-408=>caciula=224:7=32 lei costa o caciula
5 fulare----------------5 caciuli =5x17+5x32=245 lei