Final answer:
Wendy watched a different number of commercials based on the number of commercials per hour. She watched 71/2, 15, 221/2, or 30 commercials depending on the given options.
Step-by-step explanation:
To determine the number of commercials Wendy watched during her 11/2 hours of favorite shows, we need to know the number of commercials per hour. From the given options, a commercial can be 5 hours, 10 commercials per hour, 15 commercials per hour, or 20 commercials per hour. Let's multiply each option by 11/2 to find the number of commercials Wendy watched for each option:
- 5 commercials per hour: 11/2 x 5 = 71/2 commercials
- 10 commercials per hour: 11/2 x 10 = 15 commercials
- 15 commercials per hour: 11/2 x 15 = 221/2 commercials
- 20 commercials per hour: 11/2 x 20 = 30 commercials
Therefore, Wendy watched: