Blonde Has To Answer a question in front of thousands of viewers, and she was on the spot

Sorry, but a good blonde joke is too easy to pass up sometimes. 80,000 blondes meet in a football stadium for a “Blondes Are Not Stupid” Convention. The leader says, “We are all here today to prove to the world that blondes are not stupid. Can I have a volunteer?” A blonde carefully works her way through the crowd and steps up to the stage. The leader asks her: “What is 15 plus 15?” After 15 or 20 seconds she says: “Eighteen!” Obviously, everyone is a little disappointed. Then 80,000 blondes start cheering, “Give her another chance! Give her another...