Correct Answer: 4289
Explanation:
Number of all members = (250 + 350) + (400 + 150) + (300 + 275) + (280 + 300) + (180 + 250) + (325 + 300) + 150 + 220 + 92 + 145 + 172 + 150 = 600 + 550 + 575 + 580 + 430 + 625 + 929 = 4289