NO.PZ2020011303000028
问题如下:
What is the monthly payment on a 15-year mortgage where the rate is 5% with monthly compounding and the amount borrowed is USD 100,000?
选项:
解释:
The monthly payment, X, satisfies
X/(0.05/12)×[1-1/(1+0.05/12)^(12×15)]=100,000
Solving
this gives X equal to USD 790.79.
这道题会用计算器直接算出,但是没看懂答案的公式