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2014-11-15T15:13:33+02:00
X- pret initial
x-15x/100= A unde A reprez pretul dupa reducere

A-5A/100=646
100A-5A=64600
95A=64600
A=680

x-15x/100=680
100x-15x=680
85x=68000
x=800
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2014-11-15T15:16:05+02:00
Pretul inainte de reducerea a 2-a  100%-5%=95%
646:95%= 680 lei
pretul initial   100%-15%=85%
680:85%= 800 lei

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