Erin is taking a quiz.
She can miss some questions on her quiz
She has to earn at-least 80 on the quiz
The inequality is 80 ≤ 100 - 5q
By solving the inequality we get,
or, 5q + 80 ≤ 100
or, 5q ≤ 100 - 80
or, 5q ≤ 20
or, q ≤ 20/5
or, q ≤ 4
Therefore the correct answer is Option A , q ≤ 4
Hope this helps..!!
Thank You :)