SOLUTION: [ 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? ]

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? ]
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
(100 - 25)(83) + (25)f = 100(80)
(75)(83) + (25)f = 8000
6225 + (25)f = 8000
(25)f = 1775
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f = 71
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