Mathematics, 11.05.2021 16:10, kimlyn58p0wyn0

The plumber charged Mrs. Evans $225.00 for materials and $35.00 an hour for labor to fix her leaky sink. The total bill came to $347.50. How many hours did it take the plumber to fix the sink?

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The plumber charged Mrs. Evans $225.00 for materials and $35.00 an hour for labor to fix her leaky s...