document.write( "Question 624453: Jomar's father is 9 times as old as he is.
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document.write( "One year ago, he was 2 years more than 11 times as old as Jomar. Find the age of Jomar and his Father. \n" );
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Algebra.Com's Answer #392764 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Present age of Jomar = j years old \n" ); document.write( "Present age of Father = f years old\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now \n" ); document.write( "Jomar's father is 9 times as old as he is \n" ); document.write( "f=9j.............(1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "One year ago \n" ); document.write( "Jomar was = j-1 years old \n" ); document.write( "Father was = f-1 years old\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Father was 2 years more than 11 times as old as Jomar \n" ); document.write( "(f-1)=11(J-1)+2 \n" ); document.write( "f-1=11J-11+2 \n" ); document.write( "f-1=11J-11+2 \n" ); document.write( "f-1=11J-9 \n" ); document.write( "f=11J-9+1 \n" ); document.write( "f=11J-8...............(2)\r \n" ); document.write( "\n" ); document.write( "Put the value of f from (1) to (2) \n" ); document.write( "9J=11J-8 \n" ); document.write( "9J-11J=-8 \n" ); document.write( "-2J=-8 \n" ); document.write( "Divide by -2 both sides of the above equation \n" ); document.write( "-2J/-2=-8/-2 \n" ); document.write( "j=4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Put the value of j in (1) \n" ); document.write( "f=9j.............(1) \n" ); document.write( "f=9(4) \n" ); document.write( "f=36\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Present age of Jomar = j = 4 years old \n" ); document.write( "Present age of Father = f = 36 years old\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |