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100% to 500
cena netto wynosi 500 złociszy :P
x=100%
107x=53500 /:107
x=500
Odp. cena towaru netto wynosi 500zł
x - cena netto
7% = 0,07
x + 0,07*x - cena brutto
Mamy
x + 0,07*x = 535
1,07 *x = 535
x = 535 : 1,07
x = 500
Odp. Cena netto towaru to 500 zł.