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) ![]() You can put this solution on YOUR website! 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 \n" ); document.write( " |