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notka56 [123]
4 years ago
7

Swimming pools must have a certain amount of chlorine content. The United States standard for safe levels of chlorine in swimmin

g pools is at least 1 part per million and no greater than 3 parts per million. Write a compound
inequality for the acceptable range of chlorine levels.
Mathematics
1 answer:
Brrunno [24]4 years ago
5 0

Answer:

1 ≤ c ≤ 3

Step-by-step explanation:

In order to meet the standard, the chlorine level (c) must be at least 1 part per million (equal to or greater than 1):

1 ≤ c

At the same time, the level also needs to be no greater than 3 parts per million (equal to or lesser than 3)

c ≤ 3

Combining both inequalities yields (in parts per million):

1 ≤ c ≤ 3.

The compound inequality above describes the acceptable range for chlorine levels.

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