document.write( "Question 784176: a student scored 69,89,93 on three algebra test. what must he score on the fourth test in order to have an average grade of at least 85 \n" ); document.write( "
Algebra.Com's Answer #477018 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "In order to average 85 on 4 tests, the sum of the scores on the 4 tests must be 4 times 85. Multiply 4 times 85. Subtract the sum of the scores you know from the product. The result is the necessary score.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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