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Q: How can you find the grade average from 4 wrong out of 20?

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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.

If you get 20 wrong out of 50 questions what is your grade?

What if you miss four Questions out of 20 what is my grade

65

You got 75% correct.Reason:5 is 1/4 of 20, therefore meaning that you got 3/4 correct. And of course 3/4 = .75, or 75%

65% or D

If you get 2 wrong out of 20 then its a 90 percent

70% or C-

F

a B

85% or a B, perhaps a B+

If u get 1-5 wrong A 5-10 wrong B 10-15 wrong C 15-20 wrong D 20 and up u get a F

Add all the marks up and divide by 20 to get the average !

It depends on exactly what scale is used, but for almost all, that would be an F.

percentage of correct answers = 60%(20 - 8)/20 * 100% = 12/20 * 100% = 60% In most school systems that translates to F - for FAIL

Grade is "A"

20+23 = 43 and 43/2 = 21.5 which is the mean average

If there are 20 questions then each question is worth 5 points because 100 total points divided by 20 equals 5.If you missed 8 questions then 8 times 5 points equals 40 points wrong, so you have to subtract that from 100 to get a grade of 60. Study harder next time.

im in eith grade. my penis is 5 and a half inches erected, hope i helped.

The average is 31.5

20-3 = 17 and 17/20 = 85/100 = .85 or 85%. Percent is a ratio per cent or 100. Multiplying both the 20 and the 17 by 5 will make the denominator 100 and the percent sought after.

To find the mean average of 20 numbers requires the 20 number to be added together which will take 19 additions and then divide by the number of numbers which will take 1 division → 19 additions followed by 1 division, a total of 20 operations are nominally needed to find the mean average of 20 numbers.

15 out of 20 would be grade of 75 percent.

20 100

About 20 weeks on average.