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OpenStudy (anonymous):
a telephone technician charges $40.00 per hour plus a $45.00 service charge. your fathers firm hires him to hook up his company's phone system. Find the total charges if it takes the telephone technician 4.5 hours to complete the task.
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OpenStudy (gorv):
service charge =45
OpenStudy (gorv):
40 for one hour than for 4 hour charge =???
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