SOLUTION: The sum of the digits of a two digit number is 12. The tens digit is three times the ones digit. What is the number ? Thank you

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Question 95164This question is from textbook
: The sum of the digits of a two digit number is 12. The tens digit is three times the ones digit. What is the number ? Thank you This question is from textbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
X+Y=12
3X=Y
X=3X=12
4X=12
X=12/4
X=3
Y=3*3
Y=9
NUMBER=39
PROOF
3+9=12
12=12