This task is from Tools 4 NC Teachers. Given a situation, students explore a task with a pattern, extend the pattern, and represent the pattern on the coordinate plane. 

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Devin has a goal to exercise for 75 minutes each day.  Devin has been recording the number of minutes he exercises each day.  He started with exercising 25 minutes the first day.  He noticed a pattern when he recorded the first 6 days on a coordinate plane.  If this pattern continues, how many days will it be until Devin exercises for 75 minutes?  Show your work using the table and coordinate plane.