Odpowiedź:
3.
a)
0,0264
0,002
b)
55%
132%
40%
2%
540%
205%
4.
1) 50%, 50%
2) 60%, 40%
3) 25%, 75%
4) 20%, 80%
5.
A
[tex] \frac{60}{100} = \frac{3}{5} [/tex]
B
[tex] \frac{70}{100} = \frac{7}{10} [/tex]
C
[tex] \frac{25}{100} = \frac{1}{4} [/tex]
D
[tex] \frac{5}{100} = \frac{1}{20} [/tex]
E
[tex] \frac{75}{100} = \frac{3}{4} [/tex]
6.
a)
[tex] \frac{5}{100} = 5\%[/tex]
b)
[tex] \frac{14}{100} = 14\%[/tex]
c)
[tex] \frac{60}{100} = 60\%[/tex]
d)
[tex] \frac{16}{100} = 16\%[/tex]
e)
[tex] \frac{94}{100} = 94\%[/tex]
7.
Połowa-50%
1 dziesiąta-10%
2 dziesiąte-20%
3 dziesiąte-30%
Trzy czwarte-75%
Półtora-150%
Ćwierć-25%
Całość-100%
8.
a)
[tex] \frac{1}{5} = 20\%[/tex]
b)
[tex] \frac{1}{4} = 25\%[/tex]
c)
[tex] \frac{3}{20} = 15\%[/tex]
d)
[tex] \frac{4}{25} = 16\%[/tex]
e)
[tex] \frac{7}{10} = 70%[/tex]
9.
A.
30%, 70%
B.
40%, 60%
