document.write( "Question 695510: MARY IS 12 YEARS OLD.. AGNES IS TWICE THE AGE OF MARY 3 YEARS AGO.. HOW OLD IS AGNES? \n" ); document.write( "
Algebra.Com's Answer #428520 by zoomkaboom4(62)\"\" \"About 
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3 years ago, Mary was 9 years old.
\n" ); document.write( "9*2 = 18.
\n" ); document.write( "18+3= 21 years old.
\n" ); document.write( "Agnes is 21 years old.
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