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24 January, 15:40

A service plumber charges 45$ for a service call plus 70$ an hour

a. How long is a service call cost 150$

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Answers (2)
  1. 24 January, 15:50
    0
    45+70x = 150

    So one hour and 50 min. plus the normal charge of 45$
  2. 24 January, 17:40
    0
    45 + 70x=150

    the answer is 1.5 so an hour and a half
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