Mathematics, 26.06.2019 15:00 allieballey0727
Atank can be filled by one pump in 50 minutes and by another pump in 60 minutes. a third pump can drain the tank in 75 minutes. if all 3 pumps go into operation, how long will it take to fill the tank?
Answers: 1
Mathematics, 21.06.2019 21:00, kharmaculpepper
Joanie watched 1 out of three of a movie in the morning
Answers: 1
Atank can be filled by one pump in 50 minutes and by another pump in 60 minutes. a third pump can dr...
Mathematics, 02.04.2020 04:38
Arts, 02.04.2020 04:38
History, 02.04.2020 04:38
History, 02.04.2020 04:38
Physics, 02.04.2020 04:38