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20 votes
To decrease your household water usage by 10% a month means that a household using 4000 gallons of water a month would cut down to using

A blank gallons a month.

User Prranay
by
6.0k points

1 Answer

7 votes
Answer:
3600
Explanation:
0.1*4000=400
4000-400=3600 gallons
User Jamine
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5.3k points