Puzzle #2: Alec, Bamilu, and Chimayo dig a well
Alec, Bamilu, and Chimayo need to dig a well. If all of them were working together it would take them one hour to dig the well. If Alec and Bamilu would work then it would take them one and a half hours. If Bamilu and Chimayo would work then it would take them two hours. But actually only Alec and Chimayo are working. How long would it take for them to dig the well?
