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Mathematics 21 Online
OpenStudy (anonymous):

A plumber charges $55 per hour plus a $50 service charge. Kevin hired the plumber to install a new hot water heater. What are the total charges if the plumber took 4 hours to complete the installation? Select one of the options below as your answer: * A. $220 * B. $250 * C. $255 * D. $270

OpenStudy (anonymous):

d

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