document.write( "Question 1013314: Molly is one third the age of her mom. In 12 years, Molly will be half the age of her mom. How old are Molly and her Mom, now? \n" ); document.write( "
Algebra.Com's Answer #629564 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call Molly's age x and Mom's age y NOW. \n" ); document.write( "Then \n" ); document.write( "x = (1/3)y or y = 3x \n" ); document.write( "In 12 years, \n" ); document.write( "x + 12 = (1/2)(y + 12) \n" ); document.write( "Now substitute and get \n" ); document.write( "x + 12 = (1/2)(3x + 12) \n" ); document.write( "x + 12 = (3/2)x + 6 \n" ); document.write( "Now subtract x and subtract six from each side and get \n" ); document.write( "6 = (1/2)x \n" ); document.write( "x = 12 so that \n" ); document.write( "y = 3(12) = 36 \n" ); document.write( "Molly is 12 and mom is 36. \n" ); document.write( " |