document.write( "Question 895875: Your tet geades are 83,94,86,91. What grade do you need to earn on your next test to have an average of 90 \n" ); document.write( "
Algebra.Com's Answer #543079 by JulietG(1812)\"\" \"About 
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83+94+86+91 = 354 points so far
\n" ); document.write( "To have an average of 90 across 5 tests, you'll need 90 * 5, or 450 points
\n" ); document.write( "450 needed - 354 already earned = 96 necessary on the next text.
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