SOLUTION: My son has to write a word problem that can be solved using a system of linear equations with 3 variables. The answer to the problem must be 12.

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Question 251145: My son has to write a word problem that can be solved using a system of linear equations with 3 variables. The answer to the problem must be 12.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If there are three variables what do you mean when
you say the answer has to be 12?
Cheers,
Stan H.