SOLUTION: The difference between the digits in a two-digit numeral is 3. The units' digit is twice the tens' digit. Find the numeral. Pretty please hepl me I just don't get it.

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Question 1087045: The difference between the digits in a two-digit numeral is 3. The units' digit is twice the tens' digit. Find the numeral. Pretty please hepl me I just don't get it.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let n and m be the tens digit and units digit, respectively. Then:
m-n=3 and
m=2n
So:
2n-n=3
n=3
m=6
The number is 36. ☺☺☺☺