document.write( "Question 903597: A mean average of 80 or greater for five exams is neededfor a final grade of B. Jorge Rivera's first four exam grades are 73,69,85 and 80. What is the lowest grade that Jorge needs on the fifth exam to get a B in the course? \n" ); document.write( "
Algebra.Com's Answer #548177 by JulietG(1812)\"\" \"About 
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Five exams at 100 points per exam = 500 total points available.
\n" ); document.write( "80% of 500 = 400 points needed for a B
\n" ); document.write( "So far, Jorge has 73+69+85+80, or 307
\n" ); document.write( "400 needed - 307 already scored = 93 necessary for a B.
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