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Mathematics 12 Online
OpenStudy (anonymous):

A little help? The amount Beach Plumbing Company charges for work is modeled by the equation below, where c is the total cost and h is the number of hours. c = 55h + 75 How much will 3 hours of work cost? A. $130 B. $165 C. $240 D. $390

OpenStudy (kira_yamato):

Plug in h = 3, c = 55(3) + 75 = 240

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