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2013 AMC 10B Problems/Problem 5

Revision as of 16:20, 21 February 2013 by Gengkev (talk | contribs) (Created page with "==Problem== Positive integers <math>a</math> and <math>b</math> are each less than <math>6</math>. What is the smallest possible value for <math>2 \cdot a - a \cdot b</math>? <m...")
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Problem

Positive integers $a$ and $b$ are each less than $6$. What is the smallest possible value for $2 \cdot a - a \cdot b$?

$\textbf{(A)}\ -20\qquad\textbf{{(B)}}\ -15\qquad\textbf{{(C)}}\ -10\qquad\textbf{{(D)}}\ 0\qquad\textbf{{(E)}}\ 2$

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