An Advertising Firm Found That a Certain Ad That Ran

Multiple Choice

An advertising firm found that a certain ad that ran on both radio and TV was only heard on the radio by 23 percent of the people and was only seen on TV by 32 percent of the people. Just 14 percent of the population both heard the ad on the radio and saw it on TV. What percent of the people in the area only heard the ad on radio or only saw the ad on TV?

A) 73 percent
B) 9 percent
C) 27 percent
D) 18 percent
E) 86 percent