document.write( "Question 780087: Jessica needs to have an average of 89 percent on her math tests to get an A-. If her scores are 83%, 89%, 90%, and 92%, what must she score on the next test to maintain an A-?\r
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document.write( "This is off a study sheet for a test I have to take before electrical school. I just need to know steps on how to do it. We've tried getting the average and find whats missing but we got stuck. \n" );
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Algebra.Com's Answer #475470 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Jessica needs to have an average of 89 percent on her math tests to get an A-. If her scores are 83%, 89%, 90%, and 92%, what must she score on the next test to maintain an A-?\r \n" ); document.write( "\n" ); document.write( "This is off a study sheet for a test I have to take before electrical school. I just need to know steps on how to do it. We've tried getting the average and find whats missing but we got stuck.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let score on next test that'll yield an 89% or an \"A\" average be F\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve for F.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then do a check!! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Further help is available, online or in-person, for a fee, obviously. Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com \n" ); document.write( " |