document.write( "Question 516030: Karen is 5 years older than twice the age of Bill. The sum of their ages is 65. How old is Karen? \n" ); document.write( "
Algebra.Com's Answer #344915 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Present age of Karen = k \n" ); document.write( "Present age of Bill = b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The sum of their ages is 65 \n" ); document.write( "k+b=65 \n" ); document.write( "k=65-b................(1) \n" ); document.write( "Karen is 5 years older than twice the age of Bill \n" ); document.write( "k=2b+5................(2) \n" ); document.write( "Put the value of k from (1) to (2) \n" ); document.write( "65-b=2b+5 \n" ); document.write( "-b-2b=5-65 \n" ); document.write( "-3b=-60 \n" ); document.write( "-3b/-3=-60/-3 \n" ); document.write( "b=20 \n" ); document.write( "Put the value of b in (1) \n" ); document.write( "k=65-b \n" ); document.write( "k=65-20 \n" ); document.write( "k=45\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Present age of Karen = k = 45 years old \n" ); document.write( "Present age of Bill = b = 20 years old \n" ); document.write( " \n" ); document.write( " |