document.write( "Question 155568: Lucy is 4 times as old as Amy. Three years ago, Lucy was 13 times as old as Amy. How old is Lucy now? \n" ); document.write( "
Algebra.Com's Answer #114590 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=4A \n" ); document.write( "4A-3=13(A-3) \n" ); document.write( "4A-3=13A-39 \n" ); document.write( "4A-13A=-39+3 \n" ); document.write( "-9A=-36 \n" ); document.write( "A=-36/-9 \n" ); document.write( "A=4 IS THE AGE OF AMY. \n" ); document.write( "L=4*4=16 IS THE AGE OF LUCY. \n" ); document.write( "PROOF: \n" ); document.write( "16-3=13(4-3) \n" ); document.write( "13=13*1 \n" ); document.write( "13=13 \n" ); document.write( " \n" ); document.write( " |