lisa went to the local pay day loan store to get some cash t

lisa went to the local pay day loan store to get some cash to carry her over to her next pay check.For a $100 loan,lisa had to pay $15 interest when she paid back the loan two weeks later.Assuming there are 52 weeks in a year,what interest rate was Lisa charged?
丽萨到当地的一个工资日贷款店,借贷了100美元,两个星期后她发工资时要还贷款是要额外附上15美金的利息.如果一年按52周算,丽萨的年利率是多少?
丽萨的年利率：15x26=390%

丽莎去了一间当地的发薪日贷款店去取钱来借以度过她下一个发薪日之前的日子。每借一百块，丽萨要在每两周后付15块的利息。假设一年里有52个星期，丽萨一共要付多少利息