2. Tennis balls are filled with nitrogen gas. 1.7% of the nitrogen gas has escaped from the particular ball after 10 hits. [5] a) How much gas is left after the game that had 23 hits of the ball? b) The ball is considered too soft when the gas is at 75% of the original amount. How many hits are required before the ball is too soft? c) At what rate is nitrogen gas escaping after 5 hits