Mathematics, 02.10.2019 01:10 alaf05160
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.
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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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