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22% - 114,40zł
100% - x
-------------------
x=100% * 114,40zł : 22% = 520zł
2
a)580
b)350
c)86,4
d)460
e)750
f)554
100% - x
22% - 114, 4
x= 100*114,4/ 22
x= 11440 / 22
x= 520 zł
Odp. Stół kosztuje 520 zł.
zad. 2
1.100% - x
7% - 40,6
x= 100*40,6/7
x= 580
2.
100% - x
13% - 45,5
x= 100*45,5/13
x= 350
3.
100% - x
0,5% - 0,432
x= 100*0,432/0,5
x= 86,4
4.
100% - x
120% - 552
x= 460
5.
100% - x
240% - 1800
x= 100*1800/240
x= 750
6.
100% - x
105% - 581,7
x= 100*581,7/ 105
x= 554
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