document.write( "Question 1022230: karen is twice as old as lori. three years from now,the sum of thier ages will be 42.how old is karen?
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Algebra.Com's Answer #802259 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! K = Karen's age \n" ); document.write( "L = Lori's age\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "K = 2L \n" ); document.write( "(K+3)+(L+3)=42\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plug in the first equation into the second.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "K + L = 36 \n" ); document.write( "3L = 36 \n" ); document.write( "L = 12\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Lori is 12 and Karen is 24. \n" ); document.write( " |