document.write( "Question 324916: Martin’s average (arithmetic mean) score after 4 tests is 89. What score on the 5th test would bring Martin’s average up to exactly 90?\r
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document.write( "(A) 90 (B) 91 (C) 92 (D) 93 (E) 94\r
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Algebra.Com's Answer #232629 by JBarnum(2146) You can put this solution on YOUR website! since the average is 89 we really dont need to know what the 4 tests scores are sin 4 89's would have the same average \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "E \n" ); document.write( " |