Sue answers 43 out of 60 questions correctly. what percentage of her answers are incorrect? round the percentage to one decimal place.

For this case, the first thing to do is find the number of incorrect questions.

We have then:

Then, we look for the wrong percentage of questions.

For them we divide by the total number of questions and multiply by one hundred.

the percentage to one decimal place is:

28.3 %

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)