document.write( "Question 517973: a student scored 71, 83, and 96 on three algebra tests. what must he score on the fourth test in order to have an average of at least 85?
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Algebra.Com's Answer #344991 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "If you want an average of 85 on 4 tests, then the sum of the test scores must be 4 times 85. Subtract the sum of the test scores you already have from the product 4 times 85.\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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