document.write( "Question 882386: The sum of present age of two brothers 36 years. After four years their age will be 5:6. The age of the older brother ? \n" ); document.write( "
Algebra.Com's Answer #532813 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! The sum of present age of two brothers 36 years. After four years their age will be 5:6. The age of the older brother ? \n" ); document.write( "*** \n" ); document.write( "let x=present age of younger brother \n" ); document.write( "36-x=present age of older brother \n" ); document.write( "After 4 yrs: \n" ); document.write( "x+4=age of younger brother \n" ); document.write( "36-x+4=40-x=age of older brother \n" ); document.write( "age of younger brother/age of older brother=5/6 \n" ); document.write( "(x+4)/(40-x)=5/6 \n" ); document.write( "6x+24=200-5x \n" ); document.write( "11x=176 \n" ); document.write( "x=16 \n" ); document.write( "36-16=20 \n" ); document.write( "present age of older brother=20 \n" ); document.write( " |