document.write( "Question 83137This question is from textbook introductory algebra
\n" ); document.write( ": to pass a course with a b grade , a student must have an average of 80 points on five tests. the student's grades on the first four tests were 75, 83,86, and 78. what scores can the student receive on the fifth test to earn a b grade? \n" ); document.write( "

Algebra.Com's Answer #59654 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%2875+%2B+83+%2B+86+%2B+78+%2B+x%29+%2F+5+=+80\"$
\n" ); document.write( " $\"322+%2B+x%29+%2F+5+=+80\"$
\n" ); document.write( " $\"322+%2B+x+=+400\"$
\n" ); document.write( " $\"x+=+78\"$ answer
\n" ); document.write( "must get at least a 78 \n" ); document.write( "

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