How many questions can you miss to pass a 90 question test?

Answer 1

-- Take the percent you need to pass the test. If you don't know what

that number is, ask the teacher.

-- Subtract the passing number from 100 .

-- Multiply the result by 0.9 .

-- Now you have the number of questions you can miss and still pass the test.

-- But only if all the ones that you do answer are correct!

Answer 2

12