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tester [92]
2 years ago
8

How many hours will the plumber have worked if the total cost is $450?

Mathematics
2 answers:
ruslelena [56]2 years ago
4 0
Can you add more information??
Nesterboy [21]2 years ago
3 0

Answer:

he worked 9 hours.

Step-by-step explanation:

450/50= 9

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