Answer: d) 40%
Step-by-step explanation:
Given, Total people attended the first showing of a play = 250
Number of adults above the age of 40= 75
Number of people between the ages 20 & 40 = 50
Number of teenagers ages 13-19 =25
Total people other than children ( age of 12 and under) = 75+50+25 =150
Then, the number of children ( age of 12 and under) = 250-150=100
Now , the percentage of the attendees were children 12 and under will be

Hence, the correct answer is d) 40%.