document.write( "Question 21307: mary is 15 years older than herb sister jane six years ago mary was 6 times as old as jane what are their present ages \n" ); document.write( "
Algebra.Com's Answer #10388 by kapilsinghi(68)![]() ![]() ![]() You can put this solution on YOUR website! mary is 15 years older than herb sister jane six years ago mary was 6 times as old as jane what are their present ages\r \n" ); document.write( "\n" ); document.write( "Solution:\r \n" ); document.write( "\n" ); document.write( "let Present age of Jane = x \n" ); document.write( "so Present age of Mary = x+15\r \n" ); document.write( "\n" ); document.write( "6 Years ago\r \n" ); document.write( "\n" ); document.write( "Jane age was x-6 \n" ); document.write( "mary Age was x+15 - 6=x+9\r \n" ); document.write( "\n" ); document.write( "according to conditions \"six years ago mary was 6 times as old as jane\" \n" ); document.write( "x+9 = (x-6)*6 \n" ); document.write( "x+9 = 6x - 36 \n" ); document.write( "9+36 = 6x - x \n" ); document.write( "45 = 5x \n" ); document.write( "x = 45/5 \n" ); document.write( "x = 9 \n" ); document.write( "present age of jane = 9 \n" ); document.write( "age of mary = 24\r \n" ); document.write( "\n" ); document.write( "kapilsinghi123@gmail.com\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |