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

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Question 1067367: Four years ago, sidak was 14 years old. Her brother was thrice her age. What will be their total age in n years?
Found 2 solutions by Edwin McCravy, MathTherapy:
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
Four years ago, Sidak was 14 years old.
So Sidak is now 14+4 = 18 years old.
(Four years ago) Her brother was thrice her age.
Four years ago, her brother was (3)(14) = 42 years old

So her brother is 42+4 = 44 years old.
What will be their total age in n years?
Sidak will be 18+n years old

Her brother will be 44+n years old

Edwin

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 in 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