După o reducere de 6% și o alta de 5% un produs are prețul de 178.6 lei. Aflați prețul initial

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18-03-2018
Mathematics

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După o reducere de 6% și o alta de 5% un produs are prețul de 178.6 lei. Aflați prețul initial

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dannielle dannielle · Answer 1 · 2018-03-18T16:56:05+01:00

dannielle dannielle

18-03-2018

(p- 6/100*p)= 94p/100= p1 - pretul dupa prima ieftinire

p1-5/100*p1= 95p1/100= 178,6 | *100

⇒ 95p1=17860

p1= 17860:95= 188

94p/100=188

94p= 18800

p= 18800/94

p=200

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