document.write( "Question 968817: Can someone please help me solve this problem. Karen's average score for two test is 90. What score must Karen earn on a third test to raise her average to 92? \n" ); document.write( "
Algebra.Com's Answer #591977 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
(90+90+X)3=92
\n" ); document.write( "(180+X)/3=92
\n" ); document.write( "180+X=3*92
\n" ); document.write( "180+X=276
\n" ); document.write( "X=276-180
\n" ); document.write( "X=96 ANS. FOR THE THIRD TEST SCORE.
\n" ); document.write( "PROOF:
\n" ); document.write( "(90+90+96)/3=92
\n" ); document.write( "276/3=92
\n" ); document.write( "276=3*92
\n" ); document.write( "276=276
\n" ); document.write( "
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