document.write( "Question 819588: [ I have a 83% in my statistics class and our final is worth 25% of our grade. What do I need to get on the final in order to get at least an 80% in the class? ] \n" ); document.write( "

Algebra.Com's Answer #493156 by TimothyLamb(4379) $\"\"$ $\"About$

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(100 - 25)(83) + (25)f = 100(80)
\n" ); document.write( "(75)(83) + (25)f = 8000
\n" ); document.write( "6225 + (25)f = 8000
\n" ); document.write( "(25)f = 1775
\n" ); document.write( "---
\n" ); document.write( "f = 71
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