document.write( "Question 1001375: Tommy is 4 years older than his sister, Candace. The product of their ages is 96. How old is Tommy? \n" ); document.write( "
Algebra.Com's Answer #618576 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "Tommy is \"4\" years older than his sister, Candace. \r
\n" ); document.write( "\n" ); document.write( "\"T=C%2B4\"....eq.1\r
\n" ); document.write( "\n" ); document.write( "The product of their ages is \"96\": \r
\n" ); document.write( "\n" ); document.write( "\"T%2AC=96\"\r
\n" ); document.write( "\n" ); document.write( "\"T=96%2FC\"....eq.2\r
\n" ); document.write( "\n" ); document.write( "from eq.1 and eq.2 we have\r
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\n" ); document.write( "\n" ); document.write( "\"C%2B4=96%2FC\"\r
\n" ); document.write( "\n" ); document.write( "\"C%5E2%2B4C=96\"\r
\n" ); document.write( "\n" ); document.write( "\"C%5E2%2B8C-12C-96=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28C%5E2%2B8C%29-%2812C%2B96%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"C%28C%2B8%29-12%28C%2B8%29=0\"\r
\n" ); document.write( "\n" ); document.write( "\"%28C-8%29%28C%2B12%29+=+0\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "if \"%28C-8%29+=+0\"=>\"C=8\"\r
\n" ); document.write( "\n" ); document.write( "if \"%28C%2B12%29+=+0\"=>\"C=-12\"...disregard negative solution, we are looking for age\r
\n" ); document.write( "\n" ); document.write( "so, \"C=8\"=>Candace\r
\n" ); document.write( "\n" ); document.write( "\"T=8%2B4\"....eq.1
\n" ); document.write( "\"T=12\".... Tommy is \"12\" years old\r
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