Khan/khan-exercises — Issue #9521: Least common multiple and greatest common divisor word problems - black hole badges
Author: KhanBugz
Created: 2011-12-26 01:59:35+00:00
State: open
Labels: ie8, ie9, other, win7

how do you get the black hole badges. please tell if i am close. please please please please

[least_common_multiple_and_greatest_common_divisor_word_problems.html?seed=190&problem=lcm-uniforms](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/least_common_multiple_and_greatest_common_divisor_word_problems.html?seed=190&problem=lcm-uniforms&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/least_common_multiple_and_greatest_common_divisor_word_problems.html?seed=190&problem=lcm-uniforms&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%225%5C%22%22%2C4%5D%2C%5B%22hint-activity%22%2C%220%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C14%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C16%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C18%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%2C%5B%22hint-activity%22%2C%220%22%2C19%5D%5D)

["5","5"]

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MS-RTC LM 8; InfoPath.2; .NET4.0C; .NET4.0E)

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