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kozerog [31]
3 years ago
15

Someone please help!!!!!

Mathematics
1 answer:
Nadya [2.5K]3 years ago
6 0

Answer:

144 people were originally at the party.

Step-by-step explanation:

18 boys is one fifth of the second boys population, so the second population is 18x9 = 162. The original population would be 162-18, which equals 144.

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