Odpowiedź:
5.
a) [tex]\frac{14}{20}[/tex] × 100% = 70% b) [tex]\frac{16}{25}[/tex] × 100% = 64%
c)[tex]\frac{54}{125}[/tex] × 100% = 43,2% d) [tex]\frac{61}{500}[/tex] × 100% = 12,2%
e) [tex]\frac{35}{20}[/tex] × 100% = 175% f) [tex]\frac{26}{25}[/tex] × 100% = 104%
g) [tex]\frac{375}{125}[/tex] × 100% = 300% h) [tex]\frac{5000}{500}[/tex] × 100% = 1000%
i) [tex]\frac{540}{120}[/tex] × 100% = 450%
6.
a) 70% × 20 = 0,7 × 20 = 14
b) 64% × 25 = 0,64 × 25 = 16
c) 11% × 121 = 0,11 × 121 = 13,31
d) 68% × 136 = 0,68 × 136 = 92,48
e) 125% × 3000 = 1,25 × 3000 = 3750
f) 300% × 1230 = 3 × 1230 = 3690
g) 250% × 2400 = 2,5 × 2400 = 6000
h) 1000% × 1,34 = 10 × 1,34 = 13,4
i) 1500% × 25 = 15 × 25 = 375
