1. If 100 is saved on October 1, 150 on October 2, 200 on October 3, and so on, how much is saved during October?
2. A Ping-Pong ball is dropped from a height of 16 ft and always rebounds 1/4 of the distance of the previous fall.
a. What distance does it rebound the 6th time?
b. What is the total distance the ball has travelled after this time?