In the freshmen hallway, there are 120 lockers, 45 of which have locker posters. What percent of the lockers in the freshmen hallway have posters?

Do you have more info about it ? i doubt this is the answer because i don't have all the information but if trouble was brewing in a clinic maybe it was an argument as to which clinic was better or smth of that nature

Your answer is d)magnesium