eduardopreaanta eduardopreaanta
  • 18-03-2018
  • Mathematics
contestada

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

Respuesta :

dannielle
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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