document.write( "Question 830165: I have a 67% average right now. My exam tomorrow counts for 40% of my final grade. what do i have to get on the exam in order to get my final grade to 70% \n" ); document.write( "
Algebra.Com's Answer #500385 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! --- \n" ); document.write( "x = final exam grade \n" ); document.write( "0.6*67 + 0.4x = 70 \n" ); document.write( "0.4x = 70 - 0.6*67 \n" ); document.write( "x = (70 - 0.6*67)/0.4 \n" ); document.write( "x = 74.5 \n" ); document.write( "--- \n" ); document.write( "answer: \n" ); document.write( "must get 74.5% on the final exam \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( " |