Difference between revisions of "2003 AMC 12B Problems/Problem 8"
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<cmath>\clubsuit(x) = a + b = 3</cmath> | <cmath>\clubsuit(x) = a + b = 3</cmath> | ||
| − | Clearly the only two digit numbers whose digits sum to <math>3</math> are <math>12, 21,</math> and <math>30</math>, thus the answer is <math>3</math>. \Rightarrow \text (A) | + | Clearly the only two digit numbers whose digits sum to <math>3</math> are <math>12, 21,</math> and <math>30</math>, thus the answer is <math>3</math>. <math>\Rightarrow \text (A)</math> |
Revision as of 19:40, 1 November 2012
Let 
and 
be the digits of 
,
![\[\clubsuit(x) = a + b = 3\]](http://latex.artofproblemsolving.com/b/f/c/bfcc618ec99c464f3d295e96eb33641a446eeb36.png)
Clearly the only two digit numbers whose digits sum to 
are 
and 
, thus the answer is . 
