Solve the Problem. -The Water Acidity in a Pool Is Considered Normal When

question 97

Multiple Choice

Solve the problem.
-The water acidity in a pool is considered normal when the average pH reading of three daily measurements is greater than 7.2 and less than 7.8. If the first two pH reading are 7.28 and 7.88, find the range of pH values for
The third reading that will result in the acidity level being normal.

• A) 7.64 < x < 9.44
• B) 7.2 < x < 7.8
• C) 6.44 < x < 8.24
• D) 7.04 < x < 8.84

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