Please reason step by step, and put your final answer within \boxed{}.
Susie babysits every day for 3 hours a day at a certain rate per hour. She spent 3/10 of the money she earned from last week to buy a make-up set. She then spent 2/5 of her money on her skincare products. She has $63 left from her earnings last week. What is Susie's hourly rate for babysitting?
user