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11 January, 07:36

A plumber charges $80 per hour to complete a job. She also charges an

additional fiat fee of $50 for each job. The total charge for one particular job

was $490. This situation is represented by the equation 80x-50 = 490.

How long did the job take?

+5
Answers (1)
  1. 11 January, 10:52
    0
    5.5! Now, you need to know why. The total cost was $490, there is a fee of $50, so subtract the fee from the total cost and you should then divide that by $80 because thats how much it is an hour.
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