SOLUTION: Jack and Jill each own a collection of mp3 files. Jill has six mp3 files less than three times the number that Jack has. If Jill owns 135 mp3 files, then how many does Jack own?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Jack and Jill each own a collection of mp3 files. Jill has six mp3 files less than three times the number that Jack has. If Jill owns 135 mp3 files, then how many does Jack own?      Log On


   

Question 886080: Jack and Jill each own a collection of mp3 files. Jill has six mp3 files less than three times the number that Jack has. If Jill owns 135 mp3 files, then how many does Jack own?
Answer by lwsshak3(11628) About Me  (Show Source):
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Jack and Jill each own a collection of mp3 files. Jill has six mp3 files less than three times the number that Jack has. If Jill owns 135 mp3 files, then how many does Jack own?
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let x=number of mp3 files Jack owns
3x-6=135(six mp3 files less than three times the number that Jack has)
3x=141
x=47
number of mp3 files Jack owns=47