document.write( "Question 829716: Ann was 1/4 of the way through her book. 20 pages later she was 1/3 of the way through her book. When she was 3/4 of the way through the book, how many pages will she have to read to finish the book? \n" ); document.write( "
Algebra.Com's Answer #500050 by TimothyLamb(4379) You can put this solution on YOUR website! --- \n" ); document.write( "x = y/4 \n" ); document.write( "x + 20 = y/3 \n" ); document.write( "--- \n" ); document.write( "put the system of linear equations into standard form: \n" ); document.write( "--- \n" ); document.write( "4x = y \n" ); document.write( "3x + 60 = y \n" ); document.write( "--- \n" ); document.write( "4x - y = 0 \n" ); document.write( "3x - y = -60 \n" ); document.write( "--- \n" ); document.write( "copy and paste the above linear system in standard form into this matrix-method solver: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( "--- \n" ); document.write( "solution: \n" ); document.write( "x = 60 pages \n" ); document.write( "y = total pages in the book = 240 \n" ); document.write( "when she's 3/4 of the way through, her remaining pages = (1/4)y = 60 pages \n" ); document.write( "--- \n" ); document.write( "Solve and graph linear equations: \n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve quadratic equations, quadratic formula: \n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php \n" ); document.write( "--- \n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables: \n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php \n" ); document.write( " |