Khan/khan-exercises — Issue #14631: Writing expressions 1 - I think you mean difference?
Author: KhanBugz
Created: 2012-02-24 23:23:12+00:00
State: open
Labels: ipad, other, safari

Reporter: Glassgodis@ gmail.com

For the problem ," The sum of -7 and the quantity 6 times" sum is addition, but the correct answer listed says 6x - 7did I make a mistake?

[writing_expressions_1.html?seed=167&problem=3](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_1.html?seed=167&problem=3&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/writing_expressions_1.html?seed=167&problem=3&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%22None%20of%20the%20above.%5C%22%22%2C61%5D%2C%5B%22hint-activity%22%2C%220%22%2C31%5D%2C%5B%22hint-activity%22%2C%220%22%2C35%5D%2C%5B%22hint-activity%22%2C%220%22%2C42%5D%2C%5B%22hint-activity%22%2C%220%22%2C47%5D%2C%5B%22hint-activity%22%2C%220%22%2C65%5D%2C%5B%22hint-activity%22%2C%220%22%2C79%5D%2C%5B%22correct-activity%22%2C%22%5C%22%3Ccode%20style%3D%5C%5C%5C%22display%3A%20none%3B%20%5C%5C%5C%22%3E6x-7%3C%2Fcode%3E%5C%22%22%2C115%5D%5D)

["None of the above.","6x-7"]

Mozilla/5.0 (iPad; CPU OS 5_0_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A405 Safari/7534.48.3

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