document.write( "Question 271049: Trisha is 3 times as old as Lilly, as Lilly is twice as old as Emma. If the sum of the tree girls' ages is 27, how old is Emma? \n" ); document.write( "
Algebra.Com's Answer #198469 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! T = 3L \"Trisha is 3 times as old as Lilly.\" \n" ); document.write( "L = 2E \"Lilly is twice as old as Emma.\" \n" ); document.write( "So T = 3(2E) = 6E. \n" ); document.write( "T+L+E = 27 \"...the sum of the three girls' ages is 27.\" \n" ); document.write( "Perform the substitutions: \n" ); document.write( "6E+2E+E = 27 Simplify. \n" ); document.write( "9E = 27 Divide by 9. \n" ); document.write( "E = 3 \n" ); document.write( " |