document.write( "Question 1004133: Lisa’s grades on 4 exams were 80, 92, 86, and 78. What is the lowest grade she can receive on the next exam to have an average greater than 85?
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Algebra.Com's Answer #620676 by addingup(3677)![]() ![]() You can put this solution on YOUR website! (80+92+86+78+x)/5 > 85 \n" ); document.write( "(336+x)/5 > 85 \n" ); document.write( "336+x > 425 \n" ); document.write( "x > 89 is the grade she needs to get an average of 85. If the requirement is that it must be greater than 85, then: \n" ); document.write( "89+1= 90 is the lowest she needs to have an average greater than 85 \n" ); document.write( "Nice grades, study so yours are as good. \n" ); document.write( "J \n" ); document.write( " |