1. Tuzin - jaki to procent kopy? a jaki procent mendla? 2. Mendel - jaki to procent kopy a jaki procent tuzina tuzin-12 mendel-15 kopa-60 3. 1zł- ile to promili kwoty 2000zł????? 4. 5ml- jaki to promil objętości 4l?????

1. Tuzin - jaki to procent kopy? a jaki procent mendla? (12/60) * 100 = 20% 12/15 * 100 = 80% 2. Mendel - jaki to procent kopy a jaki procent tuzina 15/60 * 100 = 25% 15/12 * 100 = 125% tuzin-12 mendel-15 kopa-60 3. 1zł- ile to promili kwoty 2000zł????? 0,5 promili 4. 5ml- jaki to promil objętości 4l????? 4l - 4000ml 5/4000 * 1000 = 1,25 promili

1. tuzin jaki to procent kopy? 12/60 *100%=20% tuzin jaki to procent mendla? 12/15*100%=80% 2. mendel jaki to procent kopy 15/60*100%=25% mendel jaki to procent tuzina? 15/12*100%=125% 3. 1/2000 * 1000promili=0,5 promila 4. 5/4000 * 1000promili = 1,25 promila