Khan/khan-exercises — Issue #9881: Systems of equations - fractions
Author: KhanBugz
Created: 2011-12-30 16:26:55+00:00
State: open
Labels: firefox, other, snowleo

[systems_of_equations.html?seed=74&problem=substitution-y](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations.html?seed=74&problem=substitution-y&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/systems_of_equations.html?seed=74&problem=substitution-y&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22one%20third%5C%22%2C%5C%22two%20thirds%5C%22%5D%22%2C27%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22one%20third%5C%22%2C%5C%22two%20thirds%5C%22%5D%22%2C2%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22one%20third%5C%22%2C%5C%22two%20thirds%5C%22%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%22one%20third%5C%22%2C%5C%22two%20thirds%5C%22%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C12%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C1%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C0%5D%2C%5B%22incorrect-activity%22%2C%22%5B%5C%221%2F3%5C%22%2C%5C%222%2F3%5C%22%5D%22%2C1%5D%2C%5B%22hint-activity%22%2C%220%22%2C111%5D%2C%5B%22hint-activity%22%2C%220%22%2C112%5D%2C%5B%22hint-activity%22%2C%220%22%2C112%5D%2C%5B%22hint-activity%22%2C%220%22%2C113%5D%2C%5B%22hint-activity%22%2C%220%22%2C113%5D%2C%5B%22hint-activity%22%2C%220%22%2C113%5D%5D)

[["one third","two thirds"],["one third","two thirds"],["one third","two thirds"],["one third","two thirds"],["one third","two thirds"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"],["1/3","2/3"]]

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