SOLUTION: Bruce is 36 years old. His son is 8 years old. In how many years will Bruce be three times as old as his son?

Algebra ->  Angles -> SOLUTION: Bruce is 36 years old. His son is 8 years old. In how many years will Bruce be three times as old as his son?       Log On


   

Question 556839: Bruce is 36 years old. His son is 8 years old. In how many years will Bruce be three times as old as his son?
Found 2 solutions by JBarnum, stanbon:
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
36%2Bx=3%288%2Bx%29
36%2Bx=24%2B3x
12=2x
6=x
6 years
check
36+6=42
8+6=14
42/14=3
correct

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Bruce is 36 years old. His son is 8 years old. In how many years will Bruce be three times as old as his son?
----
Let the "number of years" be "x":
---
Equation:
36+x = 3(8+x)
36+x = 24+3x
2x = 12
x = 6 years
---
Bruce will be 36+6 = 42
His son will be 8+6 = 14
--
And 42 = 3*14
===================
Cheers,
Stan H.
===================