Q: The half-hour newscast includes 12 minutes of national news, 5 minutes of international news, 5 minutes of sports, and 2 minutes of weather forecasts. The rest is advertisements. How many minutes of advertising are in the newscast?
A: 6
Explain how we arrive at this answer:
Explanation: 12 + 5 + 5 + 2 = 24 minutes are accounted for. There are 30 - 24 = 6 minutes of ads.