One of edna’s grandchildren, toby, plans to spend 4 years in college. the university awards him a scholarship to cover his tuition, but he will need an additional $8,000 for other expenses over the four years. if the expenses ar e the same for all 4 years, how much money will he need each year?

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?