Răspuns :
mese : m
dulapuri : d
12m + 8d = 2660
15m + 8d = 2825
8d + 12m = 2660
8d + 15m = 2825
-3m = -165
m = 55
12(55) + 8d = 2660
660 + 8d = 2660
8d = 2660 - 660
8d = 2000
d = 250
mese : m
dulapuri : d
12m + 8d = 2660
15m + 8d = 2825
8d + 12m = 2660
8d + 15m = 2825
-3m = -165
m = 55
12(55) + 8d = 2660
660 + 8d = 2660
8d = 2660 - 660
8d = 2000
d = 250