Pauline billed her neighbor a total of $100 for the plumbing work she did. The cost of the materials was $12 and she Charged $16 per hour for her service. How many hours did she work?
9.7 hours
5.5 hours
7.0 hours
2.6 hours
+2
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Home » Mathematics » Pauline billed her neighbor a total of $100 for the plumbing work she did. The cost of the materials was $12 and she Charged $16 per hour for her service. How many hours did she work? 9.7 hours 5.5 hours 7.0 hours 2.6 hours