document.write( "Question 829003: A student scored 73,71, and 97 on three algebra tests. 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 #499629 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
To average take the scores, add them, and divide by the number of scores.
\n" ); document.write( "Let S be the score he needs to get on the next test.
\n" ); document.write( " $\"%2873%2B71%2B97%2BS%29%2F4%3E=85\"$
\n" ); document.write( " $\"%28241%2BS%29%2F4%3E=85\"$
\n" ); document.write( " $\"%28241%2BS%29%3E=340\"$
\n" ); document.write( " $\"highlight%28S%3E=99%29\"$
\n" ); document.write( "Not impossible but it sounds like a tall order! \n" ); document.write( "

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