document.write( "Question 1181580: Mr Huang is thrice as old as Alan. Benny is 4 years younger than Alan. If their total age is 76 years, find Mr Huang's age. \n" ); document.write( "

Algebra.Com's Answer #811490 by ikleyn(52914) $\"\"$ $\"About$

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document.write( "    Huang + Alan + Benny = 76\r\n" );
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document.write( "      3A  + A    + (A-4) = 76\r\n" );
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document.write( "            5A           = 76 + 4 = 80\r\n" );
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document.write( "             A                    = 80/5 = 16.\r\n" );
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document.write( "Mr. Huang is 3*16 = 48 years old.\r\n" );
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