Odpowiedzi

2009-12-03T18:54:56+01:00
A)160
b)400
c)800
d)40
e)8
f)120
2 1 2
2009-12-03T18:58:36+01:00
A) 160 (20*80:10)
b) 400 (50*80:100)
c) 800 (100*80:10)
d) 40 (5*80:10)
e) 8 (1*80:10)
f) 120 (15*80:10)
2 5 2
2009-12-03T18:59:18+01:00
10% - 80
100% - x
x = 100%*80/10% = 800

a) 100% - 800
20% - x
x = 20%*800/100% = 160

b) 100% - 800
50% - x
x = 50%*800/100% = 400

c)100% - 800

d)100% - 800
5% - x
x = 5%*800/100% = 40

e)100% - 800
1% - x
x = 1%*800/100% = 8

f)100% - 800
15% - x
x = 15%*800/100% = 120
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