document.write( "Question 1152841: james is 5 years older than peter. if the product of their ages is 234, how old is peter?
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Algebra.Com's Answer #774943 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "There are two ways to solve this problem.\r\n" );
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document.write( "    1)  You may find decomposition of the number 234 into the product of two positive integer numbers \r\n" );
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document.write( "        with the difference 5 between them  (MENTAL solution (!) )\r\n" );
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document.write( "            234 = 117*2 = 13*9*2 = 13*(9*2) = 13*18,  which is exactly what you need,\r\n" );
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document.write( "OR\r\n" );
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document.write( "    2)  you may solve the quadratic equation\r\n" );
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document.write( "            x*(x+5) = 234.\r\n" );
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document.write( "    Surely, in this way, you will get the same answer.\r\n" );
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\n" ); document.write( "\n" ); document.write( "ANSWER. The younger, Peter, is 13 years old.\r
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