document.write( "Question 512919: Please help I keep coming up with 3.19 which cannot be correct and have no idea what I am doing wrong. Thank you. \r
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\n" ); document.write( "\n" ); document.write( "The cost in dollars to build a new home can be approximated using
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\n" ); document.write( "c = 67s + 5000
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\n" ); document.write( "where s is the home's floor area in square feet. Find the approximate home size that can be constructed for c = $105000.
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Algebra.Com's Answer #342792 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "         c = 67s + 5000 \r\n" );
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document.write( "   Since c = $105000, we substitute (ignoring the dollar mark)\r\n" );
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document.write( "    105000 = 67s + 5000 \r\n" );
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document.write( "Swap right and left sides:\r\n" );
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document.write( "67s + 5000 = 105000\r\n" );
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document.write( "Subtract 5000 from both sides\r\n" );
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document.write( "       67s = 100000\r\n" );
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document.write( "Divide both sides by 67\r\n" );
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document.write( "         s = 1492.537313, approximately 1500 \r\n" );
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document.write( "That tells us that a home with approximately \r\n" );
document.write( "1500 square feet of floor space can be built \r\n" );
document.write( "for $105,000. \r\n" );
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document.write( "Edwin
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