SOLUTION: Four years ago, sidak was 14 years old. Her brother was thrice her age. What will be their total age n years?

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Question 1067366: Four years ago, sidak was 14 years old. Her brother was thrice her age. What will be their total age n years?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
s-4=14
s=18
-
b-4=3%28s-4%29
b=4%2B3s-12
b=3s-8
b=3%2A18-8
b=54-8
b=46
-
Total age in n years?
%2818%2B46%29%2Bn
highlight%2864%2Bn%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

Four years ago, sidak was 14 years old. Her brother was thrice her age. What will be their total age n years? 
In n years, sum of their ages will be: highlight_green%28matrix%281%2C4%2C+64%2C+%22%2B%22%2C+2n%2C+years%29%29