Odpowiedź:
Uzyskane środki z lokat: 10260-10000=260
[tex]\left \{ {{x+y=1000} \atop {0=1,025x+1,0275y=10260} \right.[/tex]
[tex]\left \{ {{x=260-y} \atop {0,0250(10000-y)+0,0275y=260}} \right.[/tex]
[tex]\left \{ {{x=1000-y} \atop {250-0,025y+0,0275y=260}} \right.[/tex]
[tex]\left \{ {{x=260-y} \atop {0,0025=260-250}} \right.[/tex]
[tex]\left \{ {{x=10000-y} \atop {0,0025y=10}} \right.[/tex]
y=4000
x=1000-4000=6000