document.write( "Question 1168152: In three years, Sheena will be three times as old as her sister Melona, a year ago, Sheena was seven times as old as Melona. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #792808 by josgarithmetic(39617)\"\" \"About 
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\n" ); document.write( "In three years, Sheena will be three times as old as her sister Melona. A year ago, Sheena was seven times as old as Melona.
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\n" ); document.write( "\n" ); document.write( "First sentence
\n" ); document.write( "\"s%2B3=3%28m%2B3%29\"
\n" ); document.write( "\"s-3m=6\"\r
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\n" ); document.write( "\n" ); document.write( "Second sentence
\n" ); document.write( "\"s-1=7%28m-1%29\"
\n" ); document.write( "\"s-7m=-6\"
\n" ); document.write( "\"-s%2B7m=6\"\r
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\n" ); document.write( "\n" ); document.write( "System to use if you prefer
\n" ); document.write( "\"system%28s-3m=6%2C-s%2B7m=6%29\"\r
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\n" ); document.write( "\n" ); document.write( "ADD corresponding members.
\n" ); document.write( "\"4m=12\"
\n" ); document.write( "\"highlight%28m=3%29\"---------Melona now\r
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\n" ); document.write( "\n" ); document.write( "Sheena?
\n" ); document.write( "\"s-3m=6\"
\n" ); document.write( "\"s=3m%2B6\"
\n" ); document.write( "\"s=3%2A3%2B6\"
\n" ); document.write( "\"highlight%28s=15%29\"-------Sheena
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