document.write( "Question 447748: 5thgrade word problem a rectangular swimming pool needs 14 lifeguards. If each side uses the same number of lifeguards where are they located. HINT a lifeguard at a corner counts for 2 sides. \r
\n" ); document.write( "\n" ); document.write( " 1 2 3 4\r
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\n" ); document.write( "\n" ); document.write( " I only come up with 12 guards, 4 on each side\r
\n" ); document.write( "\n" ); document.write( "the top of the rectangle is 1234, the right side is 4,6,8,12, the bottom is 9,10,11,12 and the left side is 1,5,7,9 \n" ); document.write( "
Algebra.Com's Answer #308237 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "There are only 2 basic ways. In the diagrams\r\n" );
document.write( "below, a \"0\" on the corner means there is NO \r\n" );
document.write( "lifeguard on that corner, a 1 on a corner\r\n" );
document.write( "means there IS a lifeguard on that corner.  The \r\n" );
document.write( "numbers between the corners tell how many \r\n" );
document.write( "\"non-corner\" lifeguards are on that side.  In \r\n" );
document.write( "both cases you will notice that the sum of all \r\n" );
document.write( "the numbers is 14, and the sum of the numbers \r\n" );
document.write( "on each side is 4.\r\n" );
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document.write( "0 3 1        0 3 1            \r\n" );
document.write( "4   2        3   3              \r\n" );
document.write( "0 3 1        1 3 0               \r\n" );
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document.write( "Each of these can be rotated and reversed, but\r\n" );
document.write( "these are the only two basic ways.  Edwin

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