document.write( "Question 546025: I HAVE AN 83% IN MY CLASS, AND I'M GETTING READY TO TAKE THE FINAL THAT IS WORTH 12.5% OF MY GRADE. THE LOWEST GRADE THAT I CAN GET TO PASS THE CLASS IS A 78. COULD YOU TELL ME WHAT I NEED TO GET ON THE TEST IN ORDER TO END UP WITH A 78% IN THE CLASS. I JUST WANT TO FIGURE OUT THE WORST POSSIBLE SCENARIO!
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Algebra.Com's Answer #355829 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Your exam counts 12.5% so your average of 83% counts 100%-12.5% or 87.5%\r\n" );
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document.write( "Let x = your exam grade\r\n" );
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document.write( "(87.5%)(83%) + (12.5%)(x) = 78%\r\n" );
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document.write( "    (.875)(.83) + (.125)x = .78\r\n" );
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document.write( "           .72625 + .125x = .78\r\n" );
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document.write( "                    .125x = .05375\r\n" );
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document.write( "                        x = .43 or 43%\r\n" );
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document.write( "You only have to make a 43 to pass.\r\n" );
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document.write( "Edwin
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