Kate wants to buy a TV that has a price of $450. Kate decides to start saving after
her birthday. Kate makes an initial deposit of $50 to her savings account to pay for
the TV and then will save for the TV in equal payments for X amount of months.
After the initial deposit, Kate saves at a rate of $15 each month.
If the output (y) is the total amount that Kate needs to buy the TV and (x) is the
months that Kate is saving for the TV EXPLAIN how you would figure out how many
months it will take Kate to save for the TV for the given situation.