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


Answer Link

Otras preguntas

Why would bourses and mountain goats have hooves
In what year was the first presidential "east egg roll" at the White House?
Which ordered pair is the solution to the system of equations? -5x-3y=12 x-3y=-6 A. (3, −3) B. (−3, 1) C. (6, 4) D. (9, 5)
How does the national government help improve public health?
How did international competition and nationalism increase tension in europe?
Sean has a collection of coins. One tenth of the coins are from Europe. Thirty-two hundredth are from Asia. The rest are from Africa. Write a decimal to show th
How did the posting of the "twelve theses" by students reflect nazi policy?
What parts of the Holy Roman Empire remained predominantly Catholic?
Karen says every French word is named after a person is this correct?
Which type of system requires backup of files???