1. Because it helped her pay for the books and she had money for social life.

Fragment: The money I earned there helped towards paying for my books and allowed me to have a bit of social life. As well as this was something I really enjoyed.

(Pieniądze, które tam zarobiłam pomogły mi w zapłaceniu za książki i pozwoliły mi na życie towarzyskie. To było także coś, co lubiłam.)