document.write( "Question 353396: i have $2.05 in quarters and dimes. i have 4 more quarters than dimes. what is the equation for this? trying to help my niece , it's truly been years.thanks \n" ); document.write( "
Algebra.Com's Answer #252566 by scott8148(6628) You can put this solution on YOUR website! q = d + 4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "10d + 25q = 205\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting ___ 10d + 25(d+4) = 205 ___ 10d + 25d + 100 = 205 ___ 35d = 105 ___d = 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting ___ q = (3) + 4 = 7 \n" ); document.write( " |