Total Grade: 87.25%? Confused? Let's Calculate!

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The discussion centers on calculating a total grade based on weighted contributions from online and written homework. The formula used is Total Grade = ∑(Percentage worth × Percentage earned) / 10000. For the given values, the calculation yields a contribution of 18.7 points out of a possible 24 points, resulting in an average grade of 78%. The confusion arises from the incorrect initial calculation of 87.25%, which does not accurately reflect the weighted contributions of each homework type.

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let's say i had 115% for my online homework which is worth 16% of the final grade and 4% for my written homework which is worth 8% of the final grade. how would i find my total percent for both online+hw together? I am thinking (115/2 + 115 + 2)/2 = 87.25% for both written homework and online together? it seems wrong
 
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For n divisions of the total 100%:

[tex]Total\ Grade= \sum^n_1 \frac{(Percentage\ worth)(Percentage\ earned)}{10000}[/tex]

[tex]= \frac{(115)(16)+(4)(8)}{10000} = 18.72[/tex] percent of your entire grade. Out of those two sections alone you have 77.22% . That 4% in homework is killing you.
 
Last edited:
115*0.16 + *0.08 = 18.7/100 (i.e. those two homework got you 18.7 points on your final grade)

Or, and I think this is what you're looking for,

you got 18.7 points out of a possible 24, meaning an average grade of 78%.
 
Last edited:

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