Kiaabear Kiaabear
  • 03-02-2015
  • Mathematics
contestada

Find three consecutive integers such that the sum of twice the smallest and 3 times the largest is 126.

Respuesta :

aizdebski aizdebski
  • 03-02-2015
x-smallest
y middle
z largest


x+1=y
y+1=z
2x+3z=126

2x+ 3(y+1)=126
2x+3y+3=126
2x+3(x+1)=123
5x=120
x=24

y=25

z=26



Answer Link

Otras preguntas

A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnS
write a system of equations and solvea class of 195 students went on a field trip. They took 7 vehicles,some cars and some buses. find the number of cars and nu
example of onomatopoeia in the seven ages of man
name a metal that doesn't conduct electricity
If X is the set of negative numbers and Y is the set of positive numbers, then the union of X and Y and 0 is the set of (A) all real numbers (B) all integers (C
round to the nearest hundredth 5.6192
How would you call in other words to scold or punish severely
If X is the set of negative numbers and Y is the set of positive numbers, then the union of X and Y and 0 is the set of (A) all real numbers (B) all integers (C
A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnS
name a metal that doesn't conduct electricity