document.write( "Question 617511: jordan is now three times as old as fred.In 5 years,jordan will be twice as old as fred will be then.What will thier ages be in 5 years? \n" ); document.write( "
Algebra.Com's Answer #388389 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Present age of Jordan = j \n" ); document.write( "Present age of Fred = f\r \n" ); document.write( "\n" ); document.write( "Jordan is now three times as old as Fred\r \n" ); document.write( "\n" ); document.write( "j=3f..............(1)\r \n" ); document.write( "\n" ); document.write( "In 5 years,\r \n" ); document.write( "\n" ); document.write( "Jordan will be = j+5 \n" ); document.write( "Fred will be = f+5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then\r \n" ); document.write( "\n" ); document.write( "Jordan will be twice as old Fred \n" ); document.write( "j+5=2(f+5) \n" ); document.write( "j+5=2f+10 \n" ); document.write( "j=2f+10-5 \n" ); document.write( "j=2f+5..............(2)\r \n" ); document.write( "\n" ); document.write( "Put the value of j from (1) to (2) \n" ); document.write( "3f=2f+5 \n" ); document.write( "3f-2f=5 \n" ); document.write( "f=5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Put the value of f in (1) \n" ); document.write( "j=3f \n" ); document.write( "j=3(5) \n" ); document.write( "j=15\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Present age of Jordan = j = 15 \n" ); document.write( "Present age of Fred = f = 5\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In five years their ages will be \n" ); document.write( "Jordan = 15+5 = 20 \n" ); document.write( "Fred = 5+5 = 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |