document.write( "Question 252988: jerome's father is three times as old as jerome. Four years ago, he was five times as old. find the age of jerome and his father.
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #185187 by Greenfinch(383)![]() ![]() You can put this solution on YOUR website! Say Jerome is now X \n" ); document.write( "Then his father is now 3X \n" ); document.write( "Four years ago, Jerome was X-4 \n" ); document.write( "His father was 3X - 4 and was five times older than Jerome \n" ); document.write( "so 3x - 4 = 5(X-4)\r \n" ); document.write( "\n" ); document.write( "3X -4 = 5X - 20 \n" ); document.write( "3X + 16 = 5X \n" ); document.write( "16 = 2X \n" ); document.write( "X = 8 \n" ); document.write( "To check, Now Jerome is 8, father is 24 yes, three times \n" ); document.write( "Four years ago Jerome was 4, father was 20 yes, five times \n" ); document.write( " |