document.write( "Question 1152610: Mary is three times as old as her sister. How old will the sister be when Mary is at least 27 years old?
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Algebra.Com's Answer #774662 by ikleyn(52812)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The sister will be at least 9 years old. ANSWER\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |