document.write( "Question 1016940: You have received test scores of 83, 75, 81, and 74 recently. You have to get a B- 80%average for the course. What must your fifth and final test score be to get this average?
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Algebra.Com's Answer #633279 by FrankM(1040)\"\" \"About 
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For 5 scores to average 80, they must total 400, as 5*80=400\r
\n" ); document.write( "\n" ); document.write( "83+75+81+74+X=400\r
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