{"id":3241,"date":"2023-07-15T09:13:21","date_gmt":"2023-07-15T13:13:21","guid":{"rendered":"https:\/\/josmfs.net\/?p=3241"},"modified":"2024-04-05T15:47:08","modified_gmt":"2024-04-05T19:47:08","slug":"escalator-puzzle","status":"publish","type":"post","link":"https:\/\/josmfs.net\/wordpress\/2023\/07\/15\/escalator-puzzle\/","title":{"rendered":"Escalator Puzzle"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft  wp-image-3239\" src=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2023\/07\/Escalator-Puzzle-Fig2.jpg\" alt=\"\" width=\"200\" height=\"189\" srcset=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2023\/07\/Escalator-Puzzle-Fig2.jpg 400w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2023\/07\/Escalator-Puzzle-Fig2-300x284.jpg 300w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/>This is a problem from the 1987 American Invitational Mathematics Exam (AIME).<\/p>\n<p>\u201cAl walks down to the bottom of an escalator that is moving up and he counts 150 steps. His friend, Bob, walks up to the top of the escalator and counts 75 steps. If Al\u2019s speed of walking (in steps per unit time) is three times Bob\u2019s walking speed, how many steps are visible on the escalator at a given time? (Assume that this value is constant.)\u201d<\/p>\n<p><a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2024\/04\/Escalator-Puzzle-Answer.jpg\">Answer<\/a>.<\/p>\n<p>See the <a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2023\/07\/Escalator-Puzzle-220715.pdf\">Escalator Puzzle<\/a> for solutions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This is a problem from the 1987 American Invitational Mathematics Exam (AIME). \u201cAl walks down to the bottom of an escalator that is moving up and he counts 150 steps. His friend, Bob, walks up to the top of the escalator and counts 75 steps. If Al\u2019s speed of walking (in steps per unit time) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[238,81],"class_list":["post-3241","post","type-post","status-publish","format-standard","hentry","category-puzzles-and-problems","tag-aime","tag-travel-puzzles"],"_links":{"self":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/3241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/comments?post=3241"}],"version-history":[{"count":2,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/3241\/revisions"}],"predecessor-version":[{"id":3532,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/3241\/revisions\/3532"}],"wp:attachment":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/media?parent=3241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/categories?post=3241"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/tags?post=3241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}