3) Prank needs to buy some gifts and is shopping for DVDs ($11 each) and BluRay Discs (517 ench), He needs to buy 7 items and wants to spend $95. How many of the gifts should be DVDs
and how many should be BluRay Discs?

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?