アメリカ運輸保安局さんのインスタグラム動画 - (アメリカ運輸保安局Instagram)「Here's a math problem for you to solve: Eastport and Westport are 2000 miles apart. A passenger departs Westport on Airplane A, carrying a homemade apple pie, traveling east at 600 mph. One hour after Plane A leaves, Plane B departs Eastport, traveling west at 800 mph, carrying a passenger who has a fresh-baked pizza pie. When would the two planes pass each other? … There’s no wrong answer when it comes to traveling with pie! Celebrate Pi Day by bringing your favorite version (savory, sweet, or both) through the security checkpoint in your carry-on luggage. ... #PiDay #baking #travel #traveling #airport #traveltips」3月15日 4時17分