Solve.Two plumbers make house calls. One charges $80 for a visit plus $45 per hour of work. The other charges $65 per visit plus $55 per hour of work. For how many hours of work do the two plumbers charge the same?
A. 1 hr
B. 1.5 hr
C. 2 hr
D. 0.5 hr
Answer: B
Mathematics
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