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2014-04-01T10:46:14+03:00
X-Pret initial
x-15x/100=25.5 amplificam cu100 pt a avea acelasi numitor
100x-15x=2550
85x=2550
x=2550:85
x=30 lei


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  • Utilizator Brainly
2014-04-01T10:46:25+03:00
X-15x/100=25,5 ⇒ 100x-15x=2550 ⇒ x=2550/85=30 lei.
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