Patrick purchased 12 books. He needed 4 books for each of his projects at school. How many projects did he have?

3 projects

Yes. Three projects.

To find out how many projects Patrick had, we need to divide the total number of books he purchased by the number of books needed for each project.

Step 1: Determine the total number of books Patrick purchased.
Given that Patrick purchased 12 books.

Step 2: Determine the number of books needed for each project.
Given that Patrick needed 4 books for each project.

Step 3: Divide the total number of books by the number of books needed for each project.
12 books / 4 books per project = 3 projects.

Therefore, Patrick had 3 projects.