Khan/khan-exercises — Issue #14428: Discount tax and tip word problems - Rounding error
Author: KhanBugz
Created: 2012-02-22 18:54:15+00:00
State: open
Labels: chrome, wrong-or-unclear, xp

Reporter: gizmosmith@gmail.com

Answer is indeed 0.117 * 155 which is 18.135. Rounding to the nearest penny would be 18.14 not 18.13.

[discount_tax_and_tip_word_problems.html?seed=119&problem=simple-tax](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/discount_tax_and_tip_word_problems.html?seed=119&problem=simple-tax&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/discount_tax_and_tip_word_problems.html?seed=119&problem=simple-tax&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2218.14%5C%22%22%2C41%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%2418.14%5C%22%22%2C6%5D%2C%5B%22hint-activity%22%2C%220%22%2C13%5D%2C%5B%22hint-activity%22%2C%220%22%2C15%5D%2C%5B%22hint-activity%22%2C%220%22%2C17%5D%2C%5B%22incorrect-activity%22%2C%22%5C%22%2418.15%5C%22%22%2C46%5D%2C%5B%22correct-activity%22%2C%22%5C%22%2418.13%5C%22%22%2C2%5D%5D)

["18.14","$18.14","$18.15","$18.13"]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11

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