Tennis balls are filled with nitrogen gas. 1.7% of the nitrogen gas has escaped from the particular ball after 10 hits.
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?​