What equation do I use to find out what I need to get on my exam to pass my class. I have a 65.9% and the exam is 20% of my grade....if you need any additional information let me know..... also a passing grade is 59.5
say you took 5 tests, 20% of which or 1 is this final
.659 (4)+ x (1) = .595 (5)
2.636 + x = 2.975
x = .339 or 33.9 %
okay so that means that the lowest grade that i can get on my exam is a 33.9?
Yes
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To determine the minimum grade you need to achieve on your exam in order to pass the class, you can use the following equation:
Final Grade = (1 - Exam Weight) * Current Grade + Exam Weight * Exam Grade
In this case, the current grade is 65.9%, the exam weight is 20% (or 0.20), the passing grade is 59.5%, and the exam grade is the unknown we want to find.
Let's substitute the given values into the equation:
Final Grade = (1 - 0.20) * 65.9% + 0.20 * Exam Grade
We can simplify this equation as follows:
Final Grade = 0.80 * 65.9% + 0.20 * Exam Grade
Now, we want to solve for Exam Grade. Rearrange the equation:
Exam Grade = (Final Grade - 0.80 * 65.9%) / 0.20
Since the passing grade is 59.5%, we substitute this value for Final Grade:
Exam Grade = (59.5% - 0.80 * 65.9%) / 0.20
Now, we can calculate Exam Grade:
Exam Grade = (0.595 - 0.80 * 0.659) / 0.20
Exam Grade = (0.595 - 0.5272) / 0.20
Exam Grade = 0.0678 / 0.20
Exam Grade = 0.339
Therefore, you would need to achieve at least 33.9% on your exam in order to pass the class if the exam is weighted 20% and the passing grade is 59.5%.