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April 18, 2014

Homework Help: math

Posted by Jose on Wednesday, November 7, 2012 at 9:24pm.

Jack and Jill wash a car at the same rate . Working together it takes them an hour and 10 minutes to wash a car. One day jack started washing a car by himself at 2:30 p m. When he was half way done , Jill joined him . What time did they finish washing the car?

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