Mathematics, 01.07.2019 14:10, 21hendlill
One pipe can fill a tank in 6 hours and another pipe can fill the tank in 10 hours. how long will it take to fill the tank if both pipes are used?
Answers: 1
Mathematics, 06.07.2019 01:00, andybiersack154
Answers: 1
Mathematics, 14.07.2019 01:00, mariahough
Answers: 1
Mathematics, 16.09.2019 10:30, Slay2020
Answers: 2
One pipe can fill a tank in 6 hours and another pipe can fill the tank in 10 hours. how long will it...
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