Question 672516
how many questions can I get wrong on a 36 question test in order to achieve a score of 68% with a max score of 100?
Let x = number of questions got wrong
then
(36-x)/36 = .68
multiplying both sides by 36:
36-x = 24.48
36 = 24.48+x
11.52 = x
You can miss 11 questions