Answer:
2a-6>=15 this is because the key word at least means it can be 15 or higher but it cannot be less than 15.
Step-by-step explanation:
x = total amount of students in 8th Grade.
we know only one-thrid of the class went, so (1/3)x or x/3 went.
we also know 5 coaches went too, and that the total amount of that is 41.

now, to verify, well, what do you get for (108/3) + 5?
B at least 70% i had the same question before and that was correct