pnlogan
contestada

The sum of three equal 106.
The third number is 6 less than first.
The second three time the third.
What are the number.

Respuesta :

Sophiesticated
x+y+z=106
x=z-6
y=3z

Now put those in the equation. 

z-6+z+3z=106
z+z+3z=100
5z=100
z=20

The numbers are: 
1st: 26
2nd: 60
3rd: 20

Otras preguntas