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+1 vote
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in Mathematics by (54.1k points)

The water acidity in a pool is considerd normal when the average pH reading of three daily measurements is between 8.2 and 8.5. If the first two pH readings are 8.48 and 8.35, find the range of pH value for the third reading that will result in the acidity level being normal.

1 Answer

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Best answer

Given, first pH value = 8.48

And second pH value = 8.35

Let third pH value be x.

Since it is given that average pH value lies between 8.2 and 8.5, we get

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