Respuesta :

Answer:

30 gallons

Step-by-step explanation:

90÷6=15

15×2=30

Answer: 30

Step-by-step explanation: when you device 90 by 6 you get 15 that means it takes 15 groups of 6 people to get 90 people so if it’s two gallons per 6 people simply multiply 2 by 15

Hope this helps you!

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