My question is: There were a total of 50 guests in a movie screening of which half of the guests are women, 15 are men, and the rest are children. In the middle of the movie, 1/5 of the men and 4 children left. How many people stayed? Your thoughts:
Being women half of the guests, there were 50 / 2 = 25 women in the movie screening. Adding the 15 men to the number of women guests, there were 25 + 15 = 40 men and women. From a total of 50 guests, 50 - 40 = 10 were children. Knowing 1 / 5 of the men left, 15 / 5 = 3 men left. Thus, 3 men + 4 children = 7 people left in all. Therefore, 50 - 7 = 43 people stayed. The final answer: 43.