Mathematics, 09.06.2020 18:57 gianni0
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 lifeguard measures the chlorine level in the pool and finds it is 1.0 ppm. Should he add more chlorine? Explain.
Answers: 1
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19. A county government says that a safe level of chlorine in a hot tub is within 1.75 ppm of 3.25 p...
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