Question

3 carti si 5 pixuri costa 240lei,iar 5 carti si 3 pixuri costa 288lei. cat costa o carte si cat costa un pix

Answer 1

3c.......5p.....240$/*3
5c......3p.....288 $/*5
-------------------------------
9c.......15p..240*3=720$
25c...15p..288*5=1440$
---------------------------------
16c....1440-720=13270$
1c..............13270:16=82

3c...........5p........240$/5
5c...........3p........288$/3
-------------------------------
15c........25p......1200$
15c.........9p.......864$
------------------------------
16p.......1446$
1p......1446$:16=90$



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