Answered

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A plumber charges $50 for the first visit plus $8 per hour of work. If the total bill is $290, how many hours did the plumber work?
30 hours
40 hours
80 hours
None of these choices are correct.

Sagot :

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Answer:

Step-by-step explanation:

50 + 8x = 290

8x = 240

x = 30 hours

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