document.write( "Question 638227: you have scores of 75 and 82 on your first two tests.What do you need on the third to make sure your test average is an 84? \n" ); document.write( "

Algebra.Com's Answer #402079 by Tatiana_Stebko(1539) $\"\"$ $\"About$

You can put this solution on YOUR website!
Let x is the third test score
\n" ); document.write( " $\"%2875%2B82%2Bx%29%2F3=84\"$ multiply by 3
\n" ); document.write( " $\"75%2B82%2Bx=252\"$
\n" ); document.write( " $\"157%2Bx=252\"$
\n" ); document.write( " $\"x=252-157\"$
\n" ); document.write( " $\"x=95\"$
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