SOLUTION: The monthly cost (in dollars) of water use is a linear function of the amount of water used (in hundreds of cubic feet, HCF). The cost for using 17 HCF of water is $38.45, and the

SOLUTION: The monthly cost (in dollars) of water use is a linear function of the amount of water used (in hundreds of cubic feet, HCF). The cost for using 17 HCF of water is $38.45, and the

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Question 1138721: The monthly cost (in dollars) of water use is a linear function of the amount of water used (in hundreds of cubic feet, HCF). The cost for using 17 HCF of water is $38.45, and the cost for using 29 HCF is $58.25. What is the cost for using 20 HCF of water?
Answer by josgarithmetic(39615) (Show Source): You can put this solution on YOUR website!
This example works like the linear distance to destination one did. Use the same method.
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