document.write( "Question 1010504: Jean is twice as old as her brother. If their combined age is 24, how old is Jean? \n" ); document.write( "
Algebra.Com's Answer #625968 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call their ages, j and b, so that \n" ); document.write( "j = 2b and \n" ); document.write( "j + b = 24 \n" ); document.write( "Now substituting we get \n" ); document.write( "2b + b = 24 \n" ); document.write( "3b = 24 \n" ); document.write( "b = 8 and then \n" ); document.write( "j = 16 \n" ); document.write( " |