document.write( "Question 276737: what grade did a student receive on test one, if he received a 50, a 70, and a 90 on the other three test znc his test average is a 75 percent?\r
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Algebra.Com's Answer #201635 by checkley77(12844) ![]() You can put this solution on YOUR website! (X+50+70+90)/4=75 \n" ); document.write( "(X+210)/4=75 \n" ); document.write( "X+210=75*4 \n" ); document.write( "X+210=300 \n" ); document.write( "X=300-210 \n" ); document.write( "X=90 IS THE GRADE FOR THE FIRST TEST CORE. \n" ); document.write( " \n" ); document.write( " |