document.write( "Question 986383: Suppose your semester grade is determined as follows:
\n" ); document.write( "30% for Tests, 20% for the Final Exam, 10% for Quizzes and 40% for Homework.
\n" ); document.write( "a.) What grade would you earn in the class if you earned an 82 average on Tests, an 85 average on the Quizzes, a 94 average on the Homework and a 78 on the Final Exam?
\n" ); document.write( "b.) What would you need to score on the Final Exam to get a 90 in the class instead, assuming all other category grades remain the same? Set up and solve an equation. Define any variable used.
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Algebra.Com's Answer #607171 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Part a.)
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document.write( "   0.3 X .82\r\n" );
document.write( "+  0.2 X .78\r\n" );
document.write( "+  0.1 X .85\r\n" );
document.write( "+  0.4 X .94\r\n" );
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\n" ); document.write( "Do the arithmetic.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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