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

Elizabeth has 1 7/10 as many plants as Rosalie has I her garden. If Elizabeth has 51 plants, how many plants does Rosalie have in her garden?
how many yards are in 7 miles
What is a sarcophagus
Which verb form correctly completes the sentence? Quickly, they ________ all the grocery bags on the floor and ran outside. a. set b. had set c. sat d. had set
Kepler's 3rd law1st law2nd law of planetary motion states that the planets have an elliptical orbit, with the Sun at one focal point of the ellipse.
What is the starting ingredients of photosynthesis
The type of asexual reproduction done by prokaryotic cells is _____. binary fission mitosis meiosis
There are four more girls than boys in Ms. Raub's class of 28 students. What is the ratio of number of girls to the number of boys in her class?
Could a quadrilateral have 4 obtuse angles explanation
Who is known as the greatest woman to become Pharaoh and is often depicted wearing a fake beard and dressed like a man?