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Sam's plumbing service charges a $50 diagnostic fee and then $20 per hour. How much money does he earn, m, when he shows up to your house to do a job that takes h hours?

Sam's plumbing service charges a $50 diagnostic fee and then $20 per hour. How much money does he earn, m, when he shows up to your house to do a job that takes h hours?
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4 votes
Sam's plumbing service charges a $50 diagnostic fee and then $20 per hour. How much money does he earn, m, when he shows up to your house to do a job that takes h hours?

asked
User AlbinoDrought
by
8.9k points

1 Answer

3 votes

Answer:

50 + 20h

Explanation:

answered
User Frank Vel
by
7.7k points
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