Equilateral triangle mnk has side length 2 inches. A circle of radius 1 inch is centered at m and a circle of radius 1 inch is centered at k. what is the area of the shaded region here's the shaded region

While on a train trip, marsha noticed that there were 35 people in her train car. after the next stop, there were only 21 people in her car. if p represents the percent decrease in the number of people in marsha's train car, what is p?