BMAD Posted July 14, 2013 Report Share Posted July 14, 2013 If you drive to the store at 20 mph, how fast must you go (again returning by the same route) for your average speed to be 40 mph? Quote Link to comment Share on other sites More sharing options...
Link to comment
Share on other sites
3 answers to this question
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.