a- bacnote de 5 ron
b - bacnote de 10 ron
a + b = 62 | * 5
5a + 10 b = 560
......................................
/ 10b-5b = 560-310
5b=250=> b = 50
a=62-50
a=12
Cate bacnote de 5 ron ?
12 bacnote de 5 ron .
Cate bacnote de 10 ron ?
50 bacnote de 10 ron .