A Tire Is Filled with Air at 20^oC to a Gauge

Multiple Choice

A tire is filled with air at 20^oC to a gauge pressure of 200 kPa. Then the tire reaches a temperature of 40^oC. The fraction of the original air that must be removed if the original pressure of 200 kPa is to be maintained is

A) 6.4%.
B) 6.8%.
C) 50.0%.
D) 93.2%.
E) 93.6%.