1.

The water acidity ina pool is considered normal when the average Ph reading of three daily measurements is between 7.1 and 7.6. If the first two Ph reading are 7.18 and 7.55 and if the third reading is x, find the range of Ph value for the third reading that result in the acidity level being normal.

Answer»

SOLUTION :`6.57 LT X lt 8.07`


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