Bridget Davis

at 10:00 AM pipe A began to fill an empty storage tank. At noon, pipe A failed and was closed. Pipe B was used to finish filling the tank. If pipe A needs 6 hours to fill the tank alone and pipe B needs 8 hours, at what time was the tank full?

marcus and will are painting a barn. Marcus paints twice as fast as Will. On the first day, they have worked for 6 hours and completed 1/3 of the job when Will gets injured. If Marcus has to complete the rest of the job by himself, how many additional hou...

two guys painting a barn. one of them paints twice as fast as the other. On the first day, they have worked for 6 h and completed 1/3 of the job, when the 2nd guy gets hurt. If the 1st guy has to complete by himself how many additional hours will it take?