document.write( "Question 573592: hans is 3 years younger than his brother emil. in 8 years the sum of their ages will be 61. how old is hans plz i need this in 30 mins plz help me im stuck \n" ); document.write( "
Algebra.Com's Answer #368822 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "Let \n" ); document.write( "Present age of Hans = h \n" ); document.write( "Present age of Emil = e\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hans is 3 years younger than his brother Emil. \n" ); document.write( "h=e-3.................(1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In 8 years \n" ); document.write( "Hans will be = h+8 \n" ); document.write( "Emil will be = e+8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The sum of their ages will be 61\r \n" ); document.write( "\n" ); document.write( "(h+8)+(e+8)=61 \n" ); document.write( "h+8+e+8=61 \n" ); document.write( "h+e+16=61 \n" ); document.write( "h+e=61-16 \n" ); document.write( "h+e=45..................(2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Put the value of h from (1) to (2) \n" ); document.write( "h+e=45..................(2) \n" ); document.write( "e-3+e=45 \n" ); document.write( "2e-3=45 \n" ); document.write( "2e=45+3 \n" ); document.write( "2e=48 \n" ); document.write( "2e/2=48/2 \n" ); document.write( "e=24\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Put the value of e in (1) \n" ); document.write( "h=e-3.................(1) \n" ); document.write( "h=24-3 \n" ); document.write( "h=21\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Present age of Hans = h = 21 years old \n" ); document.write( "Present age of Emil = e = 24 years old\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |