Answer:
187.5 gallons
Step-by-step explanation:
Make a proportion
= 
3000/16 = 187.5, so multiply 1 by 187.5 to find the gallons used in a year
This gets you 187.5 gallons used in a year
23
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https://percentagecalculator.net/
The answer is n=10 I already did this
Sum means we are adding. 1 + y has to be greater than or equal to 5, therefore,