Question 562639: The tens digit of a two digit number is twice the units digit. The sum of the digits is 12. Find the original number.
Answer by issacodegard(60)   (Show Source):
You can put this solution on YOUR website! Hi, let's write the number as xy where x is the tens place digit and y is the ones place digit. We know,
x=2y
x+y=12
So, we have,
3y=12
y=4
Then, x=8
So the number is 84
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