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posted by Anonymous .
If there are 56 questions and you miss 10 what would your grade be?
Your grade would be a 81.88
I divided 100/56 and got 1.78 than I multiplied how many questions I would get right by 1.78. So 46x1.78=81.88

I got a slightly different answer  and in an easier way.
You got 46 questions right. Make that a fraction and divide the numerator by the denominator
46/56 = 0.8214 = 82%