Answer the question in the picture attached

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?