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The answer depends on the percentage required for a pass. This is not a fixed value.

Q: If you have 72 percent and the final exam is worth 30 percent how much do you have to get to pass the class on the exam?

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You need at least a 75% on your exam.

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Since there is no overall target given, it is not possible to answer the question precisely. However, x% in the final exam will give an overall percentage of 0.65*x + 28.75 percent.

0.8 * 70 = 56 <--- that is your mark right now. Lets say you got a 100 on the exam. 0.2 * 100 = 20 <--- add that to your current mark to get final mark. 56 + 20 = 76 So even if you got 100 on your exam, the highest mark you could get overall is 76%. Which isn't that bad compared to the kids in my class. :P Well good luck on your exam! :D

85% of your grade is a 68 and 15% is zero. 0.85 x 68 + 0.15 x 0 = 58, your final grade.

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You need at least a 75% on your exam.

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you would need anything higher than an 87 because its an average and if you get lower there is no way it can get to a 87.

To get a final grade of 72, you need a 72 on the exam. For a final grade of 75, you need an 72 on the exam. For a final grade of 80, you need a 99 on the exam. If you get 100 on the exam, your final grade will be a little over 80.

Since the final is only worth 25 percent of your grade, you would add your class average of 84 three times. Then take that total of 252 and add it to your exam grade of 75 for a total of 327. Divide this number by 4 to get your final average of 81.75 percent.

(.8*Current Grade)+(.2*Exam Score)

81.3333

Since there is no overall target given, it is not possible to answer the question precisely. However, x% in the final exam will give an overall percentage of 0.65*x + 28.75 percent.

0.8 * 70 = 56 <--- that is your mark right now. Lets say you got a 100 on the exam. 0.2 * 100 = 20 <--- add that to your current mark to get final mark. 56 + 20 = 76 So even if you got 100 on your exam, the highest mark you could get overall is 76%. Which isn't that bad compared to the kids in my class. :P Well good luck on your exam! :D

70% is a C- so if you already have 60% all you need is another 10%. Which is score 33/100 on your final exam which is actually an "F". You have a lot of leeway if you know you're at 60% but you should still aim for an "A".

The mark you now have, 68, is worth 47.6 of your final mark (70% of 68 = 47.6).

To pass the course, you would need to achieve at least 50% overall. Since your current grade is 38% and the final is worth 30%, you would need to score 85% on the final exam to reach the 50% passing grade.