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<p>[QUOTE=&quot;miedbe7, post: 1663336, member: 33919&quot;]Hmm, since it&#039;s pi day, i&#039;ll bust out some (bad) math:</p><p><br /></p><p>taking the integral of the surface area of a penny out to the approximate 4&quot; radius of the cylinder, and knowing the thickness of a cent is 0.061&quot;, gives INT pi * x^2 (0&quot;-&gt;4&quot;), bump the lower limit to .5&quot; to account for inefficiency in circles surrounded by circles, gives definite integral -&gt; INT (pi*r2^2) - (pi*r1^2)^2 * H/T&nbsp; = pi*18&quot;/0.061&quot; * (16 - 0.25) = 4647.54 </p><p><br /></p><p>so, my semi-educated guess will be 4648/prize A and I am certain I will be wrong because I only took one semester of calculus in college and it was at 8am (not a good combination) <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />.</p><p><br /></p><p>edit: Oh and thanks for the contest ROCK![/QUOTE]</p><p><br /></p>

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