I inputted the amount of time I spend per day, doing various things, to this CNN survey.
http://www.cnn.com/2009/LIVING/03/30/how.busy.are.you/index.html The results:
I'd be interested to see how other single moms, specifically, match up. I'm guessing you'd see the "sleeping" and "personal time" hours more closely match mine.
Ouch on the "transportation" !