Mathematics, 27.01.2020 22:31 hlc614
19. a county government 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 life guard measures the chlorine level in the pool and finds it is 1.0ppm. should he add more chlorine? explain.
Answers: 2
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