Ramona's behavior reflects diffusion of responsibility.
This term refers to the fact that individuals are less likely to do something and offer somebody help if they are located in large crowds. If they are surrounded by other people who are also not doing anything to help, these individuals are unlikely to do something about the problem either because they are hoping someone else will do it for them.
Number 3 Antarctica is the answer
Because the very purpose for studying is to make children who are unable to solve the math problem to become able.
By denying them the opportunity to learn simply because they are deemed not smart enough will even preventing them further from understanding the math topics.
