document.write( "Question 346209: fred is 4 years older than barney. five years ago the sum of their ages was 48 how old are they now \n" ); document.write( "
Algebra.Com's Answer #247566 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Hi, \n" ); document.write( "*Note: Fred \"will be and always was\" 4 years older than Barney \n" ); document.write( ". \n" ); document.write( "Let f be Freds age and b be Barneys's age \"five years ago\" \n" ); document.write( ". \n" ); document.write( "the question states the following to be true:\r \n" ); document.write( "\n" ); document.write( "f + b = 48 substitute for fred's age (b + 4) \n" ); document.write( ". \n" ); document.write( "(b + 4) + b = 48 \n" ); document.write( "2b = 44 \n" ); document.write( "b= 11 Barney's age five years ago. \n" ); document.write( ". \n" ); document.write( "Barney is NOW 16 and Fred 20 \n" ); document.write( " |