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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
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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

User Benjamin Menrad
by
8.1k points

1 Answer

3 votes
the answer is 5.5 hours

100 - 12 = 88

88 divided by 16 = 5.5
User Shtlzut
by
7.7k points
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