Odpowiedź:
zad 1
a) 45% = 45/100 = 9/20
b) 80% = 80/100 = 4/5
c) 32% = 32/100 = 8/25
d) 15% = 15/100 = 3/20
e) 16 2/3% = 50/3 : 100 = 50/300 = 1/6
f) 0,5% = 5/10 : 100 = 5/1000 = 1/200
zad 2
a) 7/20 * 100% = 7 * 5% = 35%
b) 0,35 = 35/100 * 100% = 35 * 1% = 35%
c) 9/50 * 100% = 9 * 2% = 18%
d) 15/16 * 100% = 15/8 * 50% = 750/8 % = 93 6/8% = 93 3/4% = 93,75%
e) 0,175 = 0,175 * 100% = 17,5%
f) 0,04 * 100% = 4%
