Mathematics, 13.11.2021 20:10 alupton4887

The effectiveness of a dry-cleaning fluid decreases by each time it is used. The fluid is given a rating after each use, and when the rating drops below 1 the fluid is replaced. If the fluid has a rating of 27 after 3 uses, which of the following equations models this situation? Let n be the number of times the fluid is used and let r be the rating.

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The effectiveness of a dry-cleaning fluid decreases by each time it is used. The fluid is given a ra...

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