My guess is that it wasn't a maths test. 32 X 0.82=26.24 so you missed 6. Your teacher gave you an extra mark as that comes to 81%.
Eight of them.
40
No more than 15.But why miss any ?
25 questions missed
-- Since she answered 86 percent of the questions correctly, she answered the remaining 14 percent of them incorrectly. -- 14% of 100 questions is 14 questions.
You can miss 10% of questions, or 12 questions
1400.
Eight of them.
20
To get exactly 90% you need to miss 5.6 questions.
22 questions
35
24 of them.
6 of them.
40
No more than 15.But why miss any ?
25 questions missed