The Weekly Nielsen Report Shows That 20 Million of the 97

Multiple Choice

The weekly Nielsen report shows that 20 million of the 97 million television households in the U.S.watched American Idol last week even though only half of the households were actually watching television during this time period.The program rating for the show is approximately:

A) 18
B) 21
C) 29
D) 42
E) cannot be determined from the information given