document.write( "Question 336575: 1. A student has earned scores of 87, 81, and 88 on the first 3 of 4 tests. If the student wants an average (arithmetic mean) of exactly 87, what score must she earn on the fourth test?
\n" ); document.write( "A. 85
\n" ); document.write( "B. 86
\n" ); document.write( "C. 87
\n" ); document.write( "D. 92
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Algebra.Com's Answer #241242 by Fombitz(32388)\"\" \"About 
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Let X be the score for her fourth test,
\n" ); document.write( "\"%2887%2B81%2B88%2BX%29%2F4=87\"
\n" ); document.write( "\"256%2BX=348\"
\n" ); document.write( "\"highlight%28X=92%29\"
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