Answer:
About 150,000
Step-by-step explanation:
Round because you are finding about how many people attended (I’m just doing it in my way; are multiple ways to round and multiple answers):
52,104 ≈ 52,100
48,899 ≈ 48,900
49,023 ≈ 49,000
Add:
52,100 + 48,900 + 49,000 = about 150,000 people attended
