In the courses I have TAed (also in an Ivy League school), homework made up 20% of the grade, and the rest was from exams. With that breakdown, it doesn't matte

In the courses I have TAed (also in an Ivy League school), homework made up 20% of the grade, and the rest was from exams. With that breakdown, it doesn't matter much how much or little help you get from the TAs, the main purpose of the homework is to help you learn the material.