Odpowiedzi

2009-10-01T19:35:35+02:00
110*14=1540
90*14=1260

1540*20%=1540*20/100=308

1540-308=1232
110 bluzek- 1232 zł
90 bluzek -1260 zł
1 5 1
2009-10-01T19:38:11+02:00
Za 90bluzek zaplaci: 90*14zl=1260zl
Za 110 bluzek: 110*14zl=1540

1540zl-------100%
xzl-----------80% (bo 100%-20%)
--------------------
x=(1540*80)/100
x=1232zl