Question 270270
Well if Ryan dug a 10ft by 10ft hole 
(thats 1,000 cubic feet of dirt)
in five hours,thats 200cubic feet of dirt a hour.

Then if castel can dig the same hole in 6 hours.
thats 166.66 (or 167)cubic feet an hour.
 Now if they were to work to gether at there same rates
they would dig a total of 367 cubic feet an hour.
Wich in turn means thay can dig the hole in
 2.72 hours(or) if you round it 3hours!
WOOHOOO! WHO THA MAN! LOL. WELL THERE YOU GO.