#15.3) Ryan takes out a 25 year loan of the amount V with payments of the loan yearly at years end. For the first 15 payments, Ryan decided to give 200 percent of the amount of interest due. The last...

Extracted text: #15.3) Ryan takes out a 25 year loan of the amount V with payments of the loan yearly at years end. For the first 15 payments, Ryan decided to give 200 percent of the amount of interest due. The last ten payments, X, the bank charges an effective annual rate of 5 percent. Calculate X as a function of V. if V=10000 what is the associated principal paid on the 20th payment.