Original Handbook Problem: Spike can dig 8 holes in 3 hours. Butch can dig 7 holes in 4 hours. Lucky can dig 6 holes in 5 hours. How many minutes will it take them to dig 3 holes if all three work...
Finalist in the 2014-2015 Math Video Challenge. This video was created by G.I.T. Stockholm International. The Math Video Challenge is an innovative program involving teams of students using cutting...