emileerose523 emileerose523

01-11-2022
Mathematics

Answered

Suppose that a household's monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, HCF). When graphed, the function gives a line with a slope of 1.55. See the figure below. If the monthly cost for 17 HCF is $47.51, what is the monthly cost for 21 HCF?

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