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)![]() ![]() ![]() You can put this solution on YOUR website! 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( " |