Respuesta :

Answer:

7700

Step-by-step explanation:

Mrs Oliver uses approximately 275 liters of water in one day.

To find how much water she uses in 28 days, multiply 275 by 28:

     2 7 5

     × 2 8

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  2 2 0 0

+ 5 5 0 0

--------------

  7 7 0 0

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