Ile to jest :
- 2 % liczby 4500
- 2 % liczby 4000
- 2 % liczby 3500
nr 1
100% - 4500
2% - x
x= = 90
nr 2
100%-4000
2%-x
x= = 80
nr 3
100%-3500
x= = 70
100%-4500
100x=9000/:100
x=90
100x=8000/:100
x=80
100x=7000/:100
x=70
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nr 1
100% - 4500
2% - x
x= = 90
nr 2
100%-4000
2%-x
x= = 80
nr 3
100%-3500
2%-x
x= = 70
- 2 % liczby 4500
100%-4500
2%-x
100x=9000/:100
x=90
- 2 % liczby 4000
100%-4000
2%-x
100x=8000/:100
x=80
- 2 % liczby 3500
100%-3500
2%-x
100x=7000/:100
x=70