Sharon drops a rubber ball from a night of 160 feet. Every bounce sends the ball half as high as it was before. What is the total vertical (up and down ) distance the ball has traveled, from the moment it is dropped to the moment it hits the floor for the fourth time?
The first time it bounces down is 160, then when it bounces up again it becomes 80 feet, and so on. The equation is: 160+80+80+40+40+20+20, and that equals 440 feet.