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2. B
3. D
4. D
2) b
3) d
4) d
Liczba 4/5 - jaki to procent całości?
c.80%
4/5 = 8/10 = 80/100 = 80 %
Zad 2
6% - jaka to część całości?
b.3/50
6 % = 6/100 = 3/50
Zad 3
8% z 300 zł to :
d.24zł
0,08 * 300 = 24
Zad 4
Liczba 150 zwiększona o 20%, to :
d.180
150 * 0,2 = 30
150 + 30 = 180