document.write( "Question 900304: A customer walks into a bakery, where there is a try and brownies. The customer says I’ll take half the brownies in the try, plus half a brownie. After his order if fulfilled, a second customer walks in and says, I’ll take half the brownies in the try, plus half a brownie, after second customer order is fulfilled a third customer walks in and says, I’ll take half the brownies in the tray, plus half a brownie after third customer have been through there are no brownies remaining and the try is empty. How many brownies were in the tray on day one, just before the first customer came in \n" ); document.write( "

Algebra.Com's Answer #545873 by ewatrrr(24785) $\"\"$ $\"About$

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write as You Read along
\n" ); document.write( "n - (n/2 + 1/2) = n/2 - 1/2 (left 9 1/2)
\n" ); document.write( "(n/2-1/2)/2 - 1/2 = (n/2 -2)/2 (left 3)
\n" ); document.write( "(n/2 - 2)/4 - 1/2 = 0
\n" ); document.write( "solve:
\n" ); document.write( "(n/2 - 2)/4 = 1/2
\n" ); document.write( " n/2 - 2 = 8
\n" ); document.write( " n/2 = 10
\n" ); document.write( " n = 20
\n" ); document.write( " \n" ); document.write( "

\n" );