I can't find the answer to this question, I don't even know where to start, can anyone help?!
A family has a mortgage their house on a 25 year amortization period. The nominal interest rate is 5.95%, the interest is compounded semi-annually. The family pays $3107.77 monthly towards their mortgage, and their current balance is $237562.52 Assuming the interest rate stays the same over the duration of the mortgage, answer the following questions:
a) how many more months will it take until the mortgage is paid off?
b) what was the original amount of the mortgage loan?