A bass guitarist worked on 9 music projects last year. He wrote and produced 3
projects. He wrote a total of 5 projects. He produced a total of 7 projects. Use a Venn diagram to determine​ (a) how many projects he wrote but did not​ produce, and​ (b) how many projects he produced but did not write.

Question: Complete the Venn diagram. Let W be the set of projects the bass guitarist wrote and P be the set of projects he produced.
View Image for the Venn Diagram.