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

If the monthly cost for 23 HCF is

$48.31, what is the monthly cost for

18 HCF?

Question

15 October, 22:06

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Delilah Farley · Answer 1

Find the unit price=48.32/23=$2.10

Then you multiply it by 18=37.815=37.82

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 functionIf the monthly cost for 23 HCF is$48.31, what is the monthly cost for18 HCF?