Type A is 6 feet tall and grows at a rate of 12 inches per year.

Type B is 2 feet tall and grows at a rate of 24 inches per year.

Algebraically determine exactly how many years it will take for these trees to be the same height.

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?