{"action":"closed","issue":{"url":"https://api.github.com/repos/Khan/khan-exercises/issues/119400","labels_url":"https://api.github.com/repos/Khan/khan-exercises/issues/119400/labels{/name}","comments_url":"https://api.github.com/repos/Khan/khan-exercises/issues/119400/comments","events_url":"https://api.github.com/repos/Khan/khan-exercises/issues/119400/events","html_url":"https://github.com/Khan/khan-exercises/issues/119400","id":22836455,"number":119400,"title":"Geometric series of constants / xe31d964e9b1e8e45 - Wrong Answer","user":{"login":"KhanBugz","id":924247,"avatar_url":"https://avatars.githubusercontent.com/u/924247?v=3","gravatar_id":"","url":"https://api.github.com/users/KhanBugz","html_url":"https://github.com/KhanBugz","followers_url":"https://api.github.com/users/KhanBugz/followers","following_url":"https://api.github.com/users/KhanBugz/following{/other_user}","gists_url":"https://api.github.com/users/KhanBugz/gists{/gist_id}","starred_url":"https://api.github.com/users/KhanBugz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/KhanBugz/subscriptions","organizations_url":"https://api.github.com/users/KhanBugz/orgs","repos_url":"https://api.github.com/users/KhanBugz/repos","events_url":"https://api.github.com/users/KhanBugz/events{/privacy}","received_events_url":"https://api.github.com/users/KhanBugz/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/chrome","name":"chrome","color":"e102d8"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/scratchpad","name":"scratchpad","color":"DDDDDD"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/win7","name":"win7","color":"ededed"},{"url":"https://api.github.com/repos/Khan/khan-exercises/labels/wrong-or-unclear","name":"wrong-or-unclear","color":"FFA500"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2013-11-18T14:10:26Z","updated_at":"2015-11-20T19:54:42Z","closed_at":"2015-11-20T19:54:42Z","body":"In this, the \"a\" for this sequence would be 6/5, not 21/20. You do not multiply a and r together to get a. a is simply the number not getting raised to the k power in the infinite series. The answer in this case would be 48/5.\n\nhttps://www.khanacademy.org/preview/content/items/xe31d964e9b1e8e45\n\n    [{\"value\":\"48/5\"}]\n\nUser hash: 419061167\n\nMozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.57 Safari/537.36\n\nMathJax is loaded, ready, queue length: 0\n\n\n\nstart of log\nloadModule mod /khan-exercises/utils/answer-types.js\nloadModule mod /khan-exercises/utils/tmpl.js\nloadModule mod /khan-exercises/utils/tex.js\nloadModule mod /khan-exercises/utils/jquery.adhesion.js\nloadModule mod /khan-exercises/utils/calculator.js\nloadModule mod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loading /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadScript loaded /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nstartTask...\nstartTask got task undefined\nloading and rendering division_1\nloadExercise start division_1.html\nloadExercise got division_1.html\nloadExercise submod math\nloadModule mod /khan-exercises/utils/math.js\nloadModule mod /khan-exercises/utils/../third_party/raphael.js\nloadExercise submod graphie\nloadModule mod /khan-exercises/utils/graphie.js\nloadModule mod /khan-exercises/utils/kvector.js\nloadExercise submod graphie-helpers-arithmetic\nloadModule mod /khan-exercises/utils/graphie-helpers-arithmetic.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish division_1.html\nloaded division_1, now rendering\nstart of makeProblem\nchose problem type and seed for division_1\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; 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src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpers-arithmeticCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(graphieCleanup not a fn; src undefined)\n(kvectorCleanup not a fn; src undefined)\n(graphie-helpers-arithmeticCleanup not a fn; src undefined)\nloadExercise got divisibility.html\nloadExercise submod math\nloadExercise submod word-problems\nloadModule mod /khan-exercises/utils/word-problems.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish divisibility.html\nloadModule mod /khan-exercises/utils/scratchpad.js\nloadModule mod /khan-exercises/utils/../third_party/jquery.mobile.vmouse.js\nloadExercise start adding_and_subtracting_rational_expressions_0.5.html\nloadExercise got adding_and_subtracting_rational_expressions_0.5.html\nloadExercise submod math\nloadExercise submod math-format\nloadModule mod /khan-exercises/utils/math-format.js\nloadModule mod /khan-exercises/utils/expressions.js\nloadExercise submod expressions\nloadExercise submod rational-expressions\nloadModule mod /khan-exercises/utils/rational-expressions.js\nloadExercise submod answer-types\nloadExercise submod tmpl\nloadExercise submod tex\nloadExercise submod jquery.adhesion\nloadExercise submod calculator\nloadExercise submod /khan-exercises/third_party/MathJax/2.1/MathJax.js?config=KAthJax-9e2776ffe7d2006f16f36d0d55d9464b\nloadExercise finish adding_and_subtracting_rational_expressions_0.5.html\nloadExercise start converting_repeating_decimals_to_fractions_1.html\nloading and rendering divisibility\nloaded divisibility, now rendering\nstart of makeProblem\nchose problem type and seed for divisibility\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; 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src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\n(answer-typesCleanup not a fn; src undefined)\n(tmplCleanup not a fn; src undefined)\nrunning texCleanup\nran texCleanup\n(jquery.adhesionCleanup not a fn; src undefined)\n(calculatorCleanup not a fn; src undefined)\n(mathCleanup not a fn; src undefined)\n(../third_party/raphaelCleanup not a fn; src undefined)\n(word-problemsCleanup not a fn; src undefined)\nstart of makeProblem\nchose problem type and seed for adding_and_subtracting_rational_expressions_0.5\ncloned problem\ncloned global elements\nran tmplApply to vars and main elements\nran tmplApply to [id]\nremoved hints from DOM\nevaled inline scripts\nadded inline styles\n(answer-typesLoad not a fn; src undefined)\nrunning tmplLoad\nran tmplLoad\n(texLoad not a fn; 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