document.write( "Question 646534: Test 1- 65
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document.write( "Test 2- 83
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document.write( "Test 3- 81
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document.write( "Test 4- ?\r
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document.write( "You're headed into Test 4, the final grade for the semester. Is it possible for you to earn a B grade (85% or better) ? \n" );
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Algebra.Com's Answer #405876 by stanbon(75887) ![]() You can put this solution on YOUR website! Test 1- 65 \n" ); document.write( "Test 2- 83 \n" ); document.write( "Test 3- 81 \n" ); document.write( "Test 4- ? \n" ); document.write( "You're headed into Test 4, the final grade for the semester. Is it possible for you to earn a B grade (85% or better) ? \n" ); document.write( "------- \n" ); document.write( "Let the 4th test score be \"x\". \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "(65+83+81+x)/4 = 85 \n" ); document.write( "----- \n" ); document.write( "(229+x) = 4*85 = 340 \n" ); document.write( "-------------------------- \n" ); document.write( "x = 340-229 = 111 \n" ); document.write( "==== \n" ); document.write( "Looks like you cannot average 85 for the 1st 4 exams. \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |