Final answer:
Ms. Yang has 60 minutes of performance time after accounting for a 15-minute intermission. Dividing this time by the 20 acts selected for the talent show, each act gets 3 minutes on stage.
Step-by-step explanation:
Ms. Yang has a total show time of 75 minutes and wants to include a 15-minute intermission in the South Glen annual community talent show. To determine the amount of time each of the 20 acts can have onstage, we subtract the intermission time from the total show time and then divide the remaining time by the number of acts.
First, we find the time available for the acts:
Total show time: 75 minutes
Intermission time: 15 minutes
Time available for acts: 75 minutes - 15 minutes = 60 minutes
Next, we divide the time available for the acts by the number of acts to find out how much time each act gets:
Number of acts: 20
Time per act: 60 minutes / 20 acts = 3 minutes per act
Therefore, each act will have 3 minutes to perform during the talent show.