Khan/khan-exercises — Issue #15775: Negative number word problems - negative number word problem
Author: KhanBugz
Created: 2012-03-09 01:17:10+00:00
State: open
Labels: chrome, hard, xp

Reporter: galindo.stephany2yahoo.com

i cant figure out how to solve these problems of negative numbers subtracting

[negative_number_word_problems.html?seed=88&problem=dolphin_delta](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/negative_number_word_problems.html?seed=88&problem=dolphin_delta&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/negative_number_word_problems.html?seed=88&problem=dolphin_delta&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5C%22-21%5C%22%5D%22%2C29%5D%5D)

[["-21"]]

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.78 Safari/535.11

MathJax is loaded, ready, queue length: 0