Question 709539
If 16% of a class will answer this problem correctly, and 80 students will not, then how many students are in the class?

What is the formula that I would use?
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There is not always a formula, sometimes you have to figure it out.
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The 80 students who did not answer correctly are 84% of the class, 100% - 16%.
s = # of students
84% of s = 0.84s
0.84s = 80
s = 80/0.84 =~ 95.23
Since there can't be a fraction of a student,
s = 95 students