document.write( "Question 911841: The sum of my father and mother's age is 72. My father will be 6 years older than my mother in five years' time. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #553483 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The sum of my father and mother's age is 72. \n" ); document.write( "f + m = 72 \n" ); document.write( " My father will be 6 years older than my mother in five years' time. \n" ); document.write( "Your father is 6 yrs older than you mother now, before and in 5 yrs time, in short, forever! \n" ); document.write( "f = m + 6 \n" ); document.write( ": \n" ); document.write( "How old are they now? \n" ); document.write( "Back to f + m = 72 \n" ); document.write( "Replace f with (m+6) \n" ); document.write( "m + 6 + m = 72 \n" ); document.write( "2m = 72 - 6 \n" ); document.write( "2m = 66 \n" ); document.write( "m = 66/2 \n" ); document.write( "m = 33 yrs is your mother's \n" ); document.write( "You can find your father's age \n" ); document.write( " \n" ); document.write( " |