mariaiuga41 mariaiuga41
  • 01-10-2017
  • Mathematics
contestada

suma a doua numere este 500 iar diferenta lor este 100. aflati numerele

Respuesta :

Wings0s
Wings0s Wings0s
  • 01-10-2017
Notăm cu a,b  numerele
a+b=500
a-b=100⇒a=100+b
100+b+b=500
100+2b=500
2b=400
b=200
a=200+100⇒a=300
Numerele sunt 200 şi 300
Answer Link

Otras preguntas

which is greater a bottle containing 64 fluid ounces or bottle containing two liters of water
3/5 pupils in school are boys.its240 girls.how many children in school
The journey from West Africa to the West Indies and British North America was also known as the a. first passage. b. middle passage. c. second leg. d. trian
What would 151/40 as a fraction equal?
On a soccer team, 8 out of 19 players surveyed say they had two or more siblings. The league has 570 players. Which is the best prediction of the number of play
what is the quotient of 5/8 and 20?
The element mercury was first discovered on the Sun. a. True b. False
What is contingency plan?
-4(n-6)=12 how do I get the answer
n the following sentence, identify the part of speech of the italicized word. Large fish swim swiftly in the sea. A. Noun B. Pronoun C. Adverb D. Adjective