document.write( "Question 908986: In an interviwe mary was asked how old is she she said i dont know but i know am half my mother. ok how old is your mother? she said i dont know but i know my father is 5 years older than my mother, then she asked how old is your father? she said i dont know but i know when you add all our ages together it wil gives us 100. how old are they. \n" ); document.write( "
Algebra.Com's Answer #551517 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! d for daughter Mary \n" ); document.write( "m for Mother of Mary \n" ); document.write( "f for Father of Mary\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2d=m; \n" ); document.write( "f=m+5; \n" ); document.write( "d+m+f=100. \n" ); document.write( "Successively substitute until you have one variable's value solved, and then find the two other values. \n" ); document.write( " |