Homework Help: math

Posted by john on Sunday, November 7, 2010 at 3:36pm.

you commute 63 miles one way to work. the trip to work takes 20 minutes longer than the trip home. your avarage speed on the trip home is 12 mph faster. What is your average speed on the trip home?

math - Anonymous, Thursday, October 4, 2012 at 10:11pm
23mph

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