document.write( "Question 963374: A girl is 3 times the age of her younger sister, and the sum of their ages is 20. What are the ages of the sisters? \n" ); document.write( "
Algebra.Com's Answer #588540 by rfer(16322)\"\" \"About 
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x*3x=20
\n" ); document.write( "4x=20
\n" ); document.write( "x=20/4
\n" ); document.write( "x=5
\n" ); document.write( "3x=15
\n" ); document.write( "
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