Your question is Venn Diagram and Algebra Questions. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Solve a Venn diagram and algebraic equation style question and explain your approach.
Show how you translate the diagram into variables, formulate the relevant equations, solve them, and verify that the result is consistent with the stated relationships. State any assumptions clearly and explain your reasoning step by step.
