February 22, 2017

Search: algabre

Number of results: 1

the speed of the current in a river is 6 mph a ferry operator who works that part of the river is looking to buy a new boat for his business everyday his route takes him 22.5 miles against the current and back to his deck and he needs this trip in a total of 9 hours he has a ...
January 24, 2013 by lee

  1. Pages:
  2. 1