document.write( "Question 1167684: Juan is 8 years younger then his brother paolo. If the product of their ages is 153, how old is juan
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Algebra.Com's Answer #792268 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "    x*(x+8) = 153 = 9*17.\r\n" );
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document.write( "You can solve this quadratic equation or, alternatively,\r\n" );
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document.write( "you may guess the answer based on decomposition  153 = 9*17, where the factors  17  and  9  differ by  17-9 = 8 units.\r\n" );
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document.write( "ANSWER.  Juan is 9 years old.\r\n" );
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