简单数学题（英文）Determine the monthly repayments needed to repay a $50000 loan that is paid back over 25 years when the interest rate is 9% compounded annually.
问题描述：
简单数学题（英文）
Determine the monthly repayments needed to repay a $50000 loan that is paid back
over 25 years when the interest rate is 9% compounded annually.
答
这个题目的意思是：从银行贷款50000元,分25年还清,每年的年利率是9%,问每月应还多少钱?这个应该有专门的公式来算,但是我不会那个公式,我用比较笨的方法算出来是每月要还约5.7美元,不知道对不对,待我请教一下同学再来给答案吧!