# Question on an algebra/calculus word problem?

A typical monthly water bill in Bellingham consists of a fixed fee, plus a charge for each $100$ cubic foot (ccf) of water used. $1$ ccf ($100$ cubic foot) = $748$ gallons. A household using $10$ ccf is billed $\$54.92$whereas a household using$15$ccf is billed$\$65.77$.

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