document.write( "Question 805088: betty is twice as old as cathy was two years ago. the difference of their present age is 7. find the age of betty now. \n" ); document.write( "
Algebra.Com's Answer #485673 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! 1) B=2(C-2)=2C-4 \n" ); document.write( "2) B-C=7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "B=C+7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so that\r \n" ); document.write( "\n" ); document.write( "C+7=2C-4 \n" ); document.write( "7+4=2C-C \n" ); document.write( "C=11\r \n" ); document.write( "\n" ); document.write( "thus\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "B=18 \n" ); document.write( " |