The water acidity in a pool is considered normal when the average pH reading of three daily measurements is between 7.2 and 7.8.If the first 2 pH readings are 7.48 and 7.85,find the range of pH value for the 3rd reading that will result in the acidity level being normal

Asked by Surya Saxena | 28th Sep, 2012, 02:09: PM

Expert Answer:

Answered by  | 28th Sep, 2012, 11:36: PM

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