Haneen12345 Haneen12345
  • 03-01-2017
  • English
contestada

Three brothers have ages that are consecutive integers seven less than twice the younger beother is 3 more than the oldest how old is the middle brother?

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 03-01-2017
consecutive integers are 1 apart
they are
x,x+1,x+2
7 less than twice x is 3 more than x+2
2x-7=3+x+2
2x-7=x+5
x-7=5
x=12
x+1=13
x+3=14
the middle bro is 13
Answer Link

Otras preguntas

In which process does a solid change directly into a vapor? (1) condensation (3) deposition (2) sublimation (4) solidification
According to the concept of reincarnation, what would a man hope to return as in the next life? a cow a woman an elephant a ghost
What broke all ties between the English colonies and england
What is longitude and latitude?
66 2/3 as a percentage
What is the total number of protons in the nucleus of an atom of potassium-42? (1) 15 (3) 39 (2) 19 (4) 42
What is the distance between points (2, 8) and (7, 5)? Round to the nearest tenth of a unit.
Which radioisotope is a beta emitter?(1) 90Sr (3) 37K(2) 220Fr (4) 238U
Which is a measurement of the temperature left over from the big bang? A. Doppler shift of galaxies B. Doppler shift of stars C. frequencies of radio galaxies
HELPPPPP MEEEEEEEEE.