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?
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document.write( "A. 85
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document.write( "B. 86
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document.write( "C. 87
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document.write( "D. 92
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Algebra.Com's Answer #241242 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Let X be the score for her fourth test, \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |