document.write( "Question 818332: On the first 4 tests of his math class, Ben got an average score of 84.\r
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document.write( "What does he need on the next test to have an overall average of 87? \n" );
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Algebra.Com's Answer #492528 by TimothyLamb(4379)![]() ![]() You can put this solution on YOUR website! (84)(4/5) + n(1/5) = 87 \n" ); document.write( "67.2 + n(1/5) = 87 \n" ); document.write( "n(1/5) = 19.8 \n" ); document.write( "--- \n" ); document.write( "n = 99% \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( "Convert fractions, decimals, and percents: \n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php \n" ); document.write( "--- \n" ); document.write( "Calculate and graph the linear regression of any data set: \n" ); document.write( "https://sooeet.com/math/linear-regression.php \n" ); document.write( " |