document.write( "Question 1074753: simon's age is half his father's age.If the product of their ages 10 years age was 600 years , how old are they? \n" ); document.write( "

Algebra.Com's Answer #689413 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"S=F%2F2\"$
\n" ); document.write( " $\"F=2S\"$
\n" ); document.write( "and
\n" ); document.write( " $\"%28S-10%29%2A%28F-10%29=600\"$
\n" ); document.write( "Substituting,
\n" ); document.write( " $\"%28S-10%29%282S-10%29=600\"$
\n" ); document.write( " $\"2S%5E2-30S%2B100=600\"$
\n" ); document.write( " $\"2S%5E2-30S-500=0\"$
\n" ); document.write( " $\"S%5E2-15S-250=0\"$
\n" ); document.write( " $\"%28S-25%29%28S%2B10%29=0\"$
\n" ); document.write( "Only positive solutions make sense here,
\n" ); document.write( " $\"S-25=0\"$
\n" ); document.write( " $\"S=25\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"F=2%2825%29\"$
\n" ); document.write( " $\"F=50\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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