SOLUTION: maylene worked on her computer four times as long as christopher worked onhis. if they worked together a total of 15 hours how long did each spend on their own project

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Question 479851: maylene worked on her computer four times as long as christopher worked onhis. if they worked together a total of 15 hours how long did each spend on their own project
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

maylene worked on her computer four times as long as christopher worked onhis.

Let x and 4x represent tiem spent by christopher and maylene respectively

Question states***

  x + 4x = 15hr

     5x = 15hr

      x = 3hr, time spent by christopher.  maylene spent 12hrs