document.write( "Question 1123818: the sum of the ages of three sisters is 64. the age of the oldest is twice the age of the youngest. the ages of the two older sisters is a difference of six years. what is the age of the youngest sister?
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Algebra.Com's Answer #740189 by josgarithmetic(39618) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "oldest        2y\r\n" );
document.write( "middle         x\r\n" );
document.write( "youngest       y\r\n" );
document.write( "total         64\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " $\"system%282y-x=6%2C2y%2Bx%2By=64%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"x=2y-6\"$
\n" ); document.write( "-
\n" ); document.write( " $\"3y%2Bx=64\"$
\n" ); document.write( " $\"3y%2B%282y-6%29=64\"$
\n" ); document.write( " $\"5y-6=64\"$
\n" ); document.write( " $\"5y=70\"$
\n" ); document.write( " $\"y=70%2F5\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"highlight%28y=14%29\"$ \n" ); document.write( "

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