document.write( "Question 325369: On a recent quiz 6 students received course averaging 92 . The remaining students in the class received scores averaging 89 .if the quiz grades for the entire class averaged 90 .how many students were in the class ?\r
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Algebra.Com's Answer #233025 by checkley77(12844)\"\" \"About 
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6*92+89X=90(6+X)
\n" ); document.write( "552+89X=540+90X
\n" ); document.write( "89X-90X=540-552
\n" ); document.write( "-X=-12
\n" ); document.write( "X=12 STUDENTS AVERAGED 90 ON THE TESTS.
\n" ); document.write( "PROOF:
\n" ); document.write( "6*92+89*12=90(6+12)
\n" ); document.write( "552+1,068=90*18
\n" ); document.write( "1,620=1,620
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