document.write( "Question 986236: A statistics student has grades of 82, 95, 93, and 78 on four hourly exams. He must average 90 or higher to receive an A for the course. What scores can he receive on the final exam and earn an A if:
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Algebra.Com's Answer #607035 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "In order to have a 90 average over 6 exams (the four he has done plus the two that the final is worth), then his total of all six scores must be 6 times 90 or more. Add up the scores he already has, subtract from 6 times 90, then divide by 2 to find the necessary score for the final.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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