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an editor charges $30 for each hour he works on a book project, plus a flat $25 editing fee. How many hours of work are included in a $190 bill for a book project.
 Mar 7, 2014
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kinnidyh@yahoo.com:

an editor charges $30 for each hour he works on a book project, plus a flat $25 editing fee. How many hours of work are included in a $190 bill for a book project.


If i can understand you well, then:
(190-25)/30

So, its 5.5 hours!
Dms
 Mar 7, 2014

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