document.write( "Question 654044: Shelby made a list of her test scores: 88,100,92,80,85,94,90. What is the lowest score she can get on her next test to have a mean score of 90? \n" ); document.write( "
Algebra.Com's Answer #408592 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "If the average is to be 90, then the total score for all of the tests (incuding the one not yet taken) has to be 90 times the number of tests which is one more than the number of tests already taken. Once you have that total, subtract the total of all of the scores already achieved. The result of that calculation is your answer.\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
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