00:01
Okay, these kind of questions require a calculator with a financial application and the ti -84 plus is a good one to use.
00:10
Just press the apps button, it's the fourth one down, second one across, and at the top you will see finance.
00:18
Press enter and the first one there is tvm solver, that's the one you need, and here's the input you need to do.
00:27
N here is number of months for the loan, well it's seven years, so seven times 12 is going to be 84, so 84, the end value, 5 % that's the easy one, just type in what they give you, 12, present value i want to work out, that's the amount you have borrowed in the beginning.
00:52
The payment, pmt, you are told is 450 a month, now that payment is minus, it's away from you to the bank, so money coming to you is plus, away from you is minus, so negative 450 is the payment.
01:10
The future value has to be zero, loans paid off, so in seven years you owe nothing...