document.write( "Question 63226: These are Joey's grades for this marking period:84,92,90,82,87.What would he have to get on his next test to have a mean average of 88?
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Algebra.Com's Answer #43983 by 303795(602)\"\" \"About 
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He will have completed 6 tests with an average of 88. The total scores of the six tests will have to be 6 x 88 = 528.
\n" ); document.write( "The current total of the tests he has completed is 84+92+90+82+87=435
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