Imagine that your school planted two trees when it was first opened. One tree, a ficus, was 6 feet 6 feet tall when it. was planted and has grown 1.5 feet 1.5 feet per year. The other tree, an oak, was grown from an acorn on the ground and has grown 2 feet 2 feet per year. When will the trees be the same height? How tall will the trees be when they are the same height?