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 the slope of 1.65.  If the monthly cost 17 HCF is $47.79, what is the monthly cost for 11 HCF?

Answer rating: 100% (QA)

Answer i We need to use a ratio to figure out how much 11 HCF will cost each month A proporti... View the full answer