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Please help asap!!! 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

Answer :

RoyalWolfBoy
so 18 is 46.50 so 12 is  34.50 just do 46 - 12

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