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Mathematics, 30.11.2019 20:31 baby851

Suppose a household's monthly water bill ( in dollars) is a linear function of the amount of water the household uses in hundred of cubical of feet (hcf) when graphed the function gives a line with a slope of 1.45. if the monthly cost is 18hcf is $46.50 what is the cost for 12hcf

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