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Solve the Problem $50\$ 50 Plus $70\$ 70 Per Hour for Emergency Service

Question 124

Multiple Choice

Solve the problem.
-DG's Plumbing and Heating charges $50\$ 50 plus $70\$ 70 per hour for emergency service. Bill remembers being billed just over $300\$ 300 for an emergency call. How long to the nearest hour was the plumber at Bill's house?


A) 13 hours
B) 4 hours
C) 5 hours
D) 15 hours

Correct Answer:

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