document.write( "Question 118137: Betty's present age is twice Roni's present age. Two years ago, Betty was three times as old as Roni was then. Find their present ages. \n" ); document.write( "
Algebra.Com's Answer #86250 by Nate(3500)\"\" \"About 
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Roni's = x
\n" ); document.write( "Betty's age = 2x
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\n" ); document.write( "Roni's = x - 2
\n" ); document.write( "Betty's age = 3(x - 2) = 3x - 6
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\n" ); document.write( "2x - 2 = 3x - 6
\n" ); document.write( "-2 = x - 6
\n" ); document.write( "4 = x
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\n" ); document.write( "Roni's = x = 4 years
\n" ); document.write( "Betty's age = 2x = 8 years
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