using HP 10bll Calculater

(4) You've just taken out the $100,000,30 yr mortgage at 6%. When will the mortgage be paid in full assuming you add $200 to each monthly payment you make? Solve first for payment, then "add" $200 to this payment, input the new payment amount into PMT, then (press) solve for N. (5) A lender offers you a $125,000,30 year mortgage with monthly payments of \$769.65. What's the interest rate? Solve for 1 . Hint, be sure to enter the payment as a negative number. (6) You have taken out a new 30 year, $100,000 mortgage at 6% interest on your home. You now learn that you will most likely move to another state in 5 years. What will the loan balance be in 5 years? Solve for PMT, then reload 60 into N, solve for FV