document.write( "Question 373374: Mary is 24. she is twice as old as Ana was when Mary as old as Ana is now. How old is Ana? \n" ); document.write( "
Algebra.Com's Answer #265762 by robertb(5830)![]() ![]() You can put this solution on YOUR website! Let a = Ana's age now.The difference between their ages NOW is 24-a.\r \n" ); document.write( "\n" ); document.write( "24 - a years ago, Mary was a years old, while Ana was a-(24-a) = 2a - 24. \n" ); document.write( "During that time, a = 2(2a-24), or a = 4a - 48, or 3a = 48, or a = 16. \n" ); document.write( "Thus Ana is 16 years old now. \n" ); document.write( " |