document.write( "Question 1034849: James scored 77​, 81​, 70​, and 76 on four tests. What must he score on the next test to have an 80 average in the​ course? \n" ); document.write( "
Algebra.Com's Answer #649504 by fractalier(6550)\"\" \"About 
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Call the fifth score, x. Then we write
\n" ); document.write( "(77+81+70+76+x)/5 = 80
\n" ); document.write( "304 + x = 400
\n" ); document.write( "x = 96
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