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7 April, 02:36

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?

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Answers (1)
  1. 7 April, 05:16
    0
    Find the unit price=48.32/23=$2.10

    Then you multiply it by 18=37.815=37.82
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