The school talent show is 90 minutes long. The average rate of the show is about 10 acts every 30 minute. At this rate, how many acts will there be in the talent show? A 3 B 10 C 30 D 90 Part B The following year, the school decided to limit the length of each act to 4 minutes long. If they increase the length of the entire show to 100 minutes, how many acts per hour can they plan on? acts per hour