document.write( "Question 422281: I'm trying to solve when a man knows he has lost 12.4 percent of his weight, and now weighs 249.6. What was his starting weight? \r
\n" ); document.write( "\n" ); document.write( "I was thinking something like \r
\n" ); document.write( "\n" ); document.write( "12.4 249.6
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\n" ); document.write( "\n" ); document.write( "Can't recall how to do this. \n" ); document.write( "

Algebra.Com's Answer #853212 by ikleyn(53431) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "I'm trying to solve when a man knows he has lost 12.4 percent of his weight,
\n" ); document.write( "and now weighs 249.6. What was his starting weight?
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\n" ); document.write( "\n" ); document.write( "        The solution in the post by @mananth is conceptually wrong and contradicts to common sense.\r
\n" ); document.write( "\n" ); document.write( "        Indeed, according to his solution, the original weight (222.06 pounds) is less than it was after loosing (249.6 pounds).\r
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\n" ); document.write( "\n" ); document.write( "        It means that @mananth does not read his solutions, does not think about them and has no habit of self-checking.\r
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\n" ); document.write( "\n" ); document.write( "        Very dangerous person to be a tutor and especially to be an online tutor ( ! )\r
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document.write( "Let 'x' be the man's original weight, in pounds.\r\n" );
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document.write( "After loosing 12.4%, his weight is  (x - 0.124x) = x*(1-0.124) = 0.876x  pounds.\r\n" );
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document.write( "We equate it to the new weight, 249.6 pounds.\r\n" );
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document.write( "So, your equation is\r\n" );
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document.write( "    0.876x = 249.6   pounds.\r\n" );
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document.write( "From this equation, we find\r\n" );
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document.write( "    x =  = 284.93  (rounded).\r\n" );
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document.write( "ANSWER.  The man's original weight was 284.93 pounds (approximately).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved correctly.\r
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