SOLUTION: don is three times as old as david and the sum of their ages is 52. find their ages?

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Question 668607: don is three times as old as david and the sum of their ages is 52. find their ages?
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
Establish the variables
x = don
y = david
...
Given
x = 3y
x+y=52
...
3y + y = 52
4y = 52
highlight_green%28y+=+13%29years old for David
...
x = 3(13) = highlight_green%28x+=+39%29 years old for Don
...
.....................
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