Khan/khan-exercises — Issue #14109: Rate problems 1 - Answer inconsistent with question
Author: KhanBugz
Created: 2012-02-18 03:11:10+00:00
State: open
Labels: firefox, other, win7

Reporter: christilin@msn.com

Michael traveled by scooter at an average speed of 57 miles per hour.

Then, he traveled by car at an average speed of 58 miles per hour.

In total, he traveled 348 miles for 6 hours.

The answer is 0. This doesn't fit with first he traveled by scooter and then by car.

[rate_problems_1.html?seed=187&problem=2](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/rate_problems_1.html?seed=187&problem=2&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/rate_problems_1.html?seed=187&problem=2&debug&activity=%5B%5B%22correct-activity%22%2C%22%5B%5C%220%5C%22%5D%22%2C158%5D%5D)

[["0"]]

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0.1) Gecko/20100101 Firefox/9.0.1

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