document.write( "Question 896397: Lucy is k years old. She has a sister who is three years younger than she is and another sister who is five years less than twice Lucy;s age. Write an expression, in simplified form, for the sum of the three girls' ages. \n" ); document.write( "
Algebra.Com's Answer #543469 by josgarithmetic(39620)\"\" \"About 
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Lucy is k years old. She has a sister who is k-3 and another sister who is -5+2k; Write an expression, in simplified form, for the sum of the three girls' ages.\r
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\n" ); document.write( "\n" ); document.write( "Sum of their ages:
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