SOLUTION: arnold is as old as the combined age of his two brothers, bart and charly, but charly is two years older than bart. If arnold is 6 years old, how old is bart now?
Algebra ->
College
-> Linear Algebra
-> SOLUTION: arnold is as old as the combined age of his two brothers, bart and charly, but charly is two years older than bart. If arnold is 6 years old, how old is bart now?
Log On
Question 921429: arnold is as old as the combined age of his two brothers, bart and charly, but charly is two years older than bart. If arnold is 6 years old, how old is bart now? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! arnold is as old as the combined age of his two brothers, bart and charly, but charly is two years older than bart. If arnold is 6 years old, how old is bart now?
---------------
Equations::
a = b + c
c = b+2
a = 6
-----
Substitute:
b+c = 6
b-c = -2
---
Add to solve for "b":
2b = 4
bart = 2 yrs old
---------------------
Cheers,
Stan H.
---------------------
(