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Uploaded by khanacademy on Dec 17, 2008
185-189, pgs. 177-178
Education
LICENSE: Creative Commons (Attribution-Noncommercial-No Derivative Works).
For more information about this license, please read: http://creativecommons.org/licenses/by-nc-nd/3.0/.
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Better and faster way of doing problem 185 will be (in my opinion)
X took 2 hrs to do 80 miles thus 40 miles per hour.
Y traveled 50% faster thus 40 miles per hour times 1.5= 60 miles per hour
Car covers first sixty miles in 1 hr and only 20 miles are left which is 1/3 of an hour. So your answer is 1 1/3 C
rsiddi01 1 year ago
hi in this video it is felt that u r little tired
sadscene1 2 years ago
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Better and faster way of doing problem 185 will be (in my opinion)
X took 2 hrs to do 80 miles thus 40 miles per hour.
Y traveled 50% faster thus 40 miles per hour times 1.5= 60 miles per hour
Car covers first sixty miles in 1 hr and only 20 miles are left which is 1/3 of an hour. So your answer is 1 1/3 C
rsiddi01 1 year ago
hi in this video it is felt that u r little tired
sadscene1 2 years ago