document.write( "Question 993676: Felicia's mother is four times as old as felicia. In 16 years, her mother will be twice her age. How old is felicia now?
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Algebra.Com's Answer #612887 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! The key to doing these is to set up your variables NOW. \n" ); document.write( "Let F be Felicia's age now. \n" ); document.write( "Let M be the mother's age now. \n" ); document.write( "Thus \n" ); document.write( "M = 4F \n" ); document.write( "In sixteen years \n" ); document.write( "M + 16 = 2(F + 16) \n" ); document.write( "Substituting 4F for M in the second equation gives \n" ); document.write( "4F + 16 = 2F + 32 \n" ); document.write( "Simplifying \n" ); document.write( "2F = 16 \n" ); document.write( "and \n" ); document.write( "F = 8 \n" ); document.write( " |