Acounty govt says that a safe level of chlorine in a hot tub is within 1.75 ppm of 3.25 ppm.
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Mathematics, 06.09.2019 17:30 saderussell2003
Acounty govt says that a safe level of chlorine in a hot tub is within 1.75 ppm of 3.25 ppm.
a. write and solve an absolute value inequality to represent this situation.
b. a lifeguard measures the chlorine level in the pool and finds it is 1.0 ppm . should he add more chlorine?
Answers: 3
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