document.write( "Question 1186009: 1. The product of the ages, in years, of three teenagers is 4590. None of the teens are the same age. What are the ages of the teenagers?\r
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document.write( "Understand the problem \r
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document.write( "Devise plan\r
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document.write( "Carry out the problem \r
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document.write( "Review the solution \n" );
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Algebra.Com's Answer #816874 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the product of the angles is 4590. \n" ); document.write( "the possible ages are: \n" ); document.write( "13, 14, 15, 16, 17, 18, 19\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i tried 14 * 15 * 16 = 3360 - too small \n" ); document.write( "i tried 15 * 16 * 17 = 4080 - still too small \n" ); document.write( "i tried 16 * 17 * 18 = 4896 - too large \n" ); document.write( "i tried 15 * 17 * 18 = 4590 - got it !!!!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "another possible way.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "15^3 = 3375 - too small \n" ); document.write( "16^3 = 4096 - too small \n" ); document.write( "17^3 = 4913 - too large\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the numbers can't all be 17 or greater. \n" ); document.write( "the numbers can't all be 16 or less.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "15 * 16 * 17 = 4080 - too small \n" ); document.write( "16 * 17 * 18 = 4896 - too large \n" ); document.write( "15 * 17 * 18 = 4590 - right on.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "it's a process of narrowing down the possible values.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the method used above is just one of many possible methods.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |