Question 882841
So far, you have 68 for 80% of your grade.  That's {{{4/5}}}.  4*68=272
The other {{{1/5}}} of your grade is the unknown.
To get a 55 in the course, you would need 55*5 or 275 points.
You need 3% on the final test to pass.
3% of 90 = 2.7, rounded up to 3 questions correct in order to pass.
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I think you have it covered ;-)