Answer:
180 ounces
Explanation:
You want to know the number of ounces 9 water bottles will hold if 3 water bottles hold 60 ounces.
Groups
Each group of 3 bottles holds 60 ounces. Then 3 such groups will hold ...
3 × {3 bottles, 60 ounces} = {9 bottles, 180 ounces}
9 water bottles can hold 180 ounces.
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