document.write( "Question 1044921: 36 boys in a class weigh 42 kg on an average. If their teacher is included
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Algebra.Com's Answer #660334 by ikleyn(52943) $\"\"$ $\"About$

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\n" ); document.write( "36 boys in a class weigh 42 kg on an average. If their teacher is included
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document.write( "You are given\r\n" );
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document.write( " = 42.                       (1)   (where S is the sum of weights of the 36 boys.\r\n" );
document.write( "                                       \"36 boys in a class weigh 42 kg on an average.\")\r\n" );
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document.write( "You are also given \r\n" );
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document.write( " = 42 + 1.5 = 43.5.       (2)   (where T is the teacher weight.)\r\n" );
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document.write( "From (1), S = 36*42 = 1512.           (3)\r\n" );
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document.write( "From (2), S + T = 37*43.5 = 1609.5.   (4)\r\n" );
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document.write( "Distract (3) from (4) to get the answer: T = 97.5 kg is the teacher weight.\r\n" );
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