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How can I find the grade average from 2 wrong out of 75 questions?
Wiki User
∙ 13y ago
What you need to do is set up a proportion. Yours would look like this:
73 = x
75 100
Now, you cross-multiply, meaning you multiply 73 and 100, and 75 and x.
You end up with 7300=75x
Now you divide 7300/75 and you get x=97.3 repeating.
Which means you got a 97.33%.
Wiki User
∙ 13y ago
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How can you find the grade average from three wrong out of 10 questions?
10 - 3 = 7 7 / 10 = .7 = 70%
How can you find the grade average from 5 wrong out of 30 questions?
30 - 5 = 25 correct answers. 25/30 x 100 = 83% (rounded to a whole number)
How can you find the grade average from 2 wrong out of 10?
Since there are 2/10 problems that are missed, there are 8/10 problems that are correct. 8/10 is 0.8 which is equal to 80%.
How can you find the grade average from 11 wrong out of 30 questions?
Let's say you want to calculate the grade by simply turning it into a raw percentage (and not factoring in anything like that some questions might be worth more or some mistakes might be worth less than just knocking off all points for the problem). We'll make x% be the percentage that you got right. To calculate x% do: (30-11)/30=19/30=63.333...% You can round to 63%.
How can you find the grade from 18 wrong out of 95 questions?
First you find out how many you got right by subtracting how many you got wrong from the total. So, 95-18 = 77 Then you divide the number correct by the total, so 77/95, which is about 81.1% Then you apply the grading scale. In most cases, an 81.1% would be a low B.
How can you find the grade average from 7 wrong out of 24 questions?
71 percent
How do you find the grade average of 2 wrong out of 19 questions?
17/19 = 89% = B+
How can you find the grade average from 20 wrong out of 75 questions?
If you got 20 problems wrong on a 75 question test your grade would be 73% or a C. You can find that by subtracting the amount of questions you got wrong from the amount you got right, 55 in this case. Divide the amount of correct questions by the amount of questions on the test to get .733333. That is the grade.
How can you find the grade average from three wrong out of 10 questions?
10 - 3 = 7 7 / 10 = .7 = 70%
How can you find the grade average from 11 wrong of 79 questions?
68 right out of 79 is 86 percent. Sounds like a "B."
How can you find the grade average from 13 wrong out of 47 questions?
You use division. For example 13/47 is approximately 0.276 or 28%. 100-28 is 72 so the grade would be a 72.
How can you find the grade average from 5 wrong out of 30 questions?
30 - 5 = 25 correct answers. 25/30 x 100 = 83% (rounded to a whole number)
7 wrong out of 26 questions is what grade?
65
What is GPA test?
It is a test where you find out your GPA (Grade Point Average)
How do you find my grade if you got 3 wrong out of 13?
77% or C+
How can you find the grade average from 4 wrong out of 20?
First, you convert them to 100. 4/20=16/100 The subtract 16 out of 100. 100-16=84
Where to find physical science test questions third grade?
Science Buddies.com
