Final answer:
All the projects were 3/4 complete.
Step-by-step explanation:
The line plot shows the amount of each project that had been completed at the end of the week. To determine the fraction of projects that were 3/4 complete, we need to look at the number of students represented by the bar from 3.5 to 4.5 on the line plot. According to the information provided, this bar is the tallest with a height of nine, which means that nine projects were 3/4 complete. Since there are a total of nine projects represented on the line plot, we can conclude that all the projects were 3/4 complete.