Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 14 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?

Question

anonymous · Answer

10.5

anonymous · Answer

1/14 +1/x=1/6

anonymous · Answer

Thank you guys very much.. will note your equation as to how to set it up

anonymous · Answer

just observe what happens in 1 hour
both pumps drain 1/6th part of pool
older pump drains 1/14th part of pool
new pump drains 1/x th part of pool
which gives above equation

anonymous · Answer

Makes sense to me, thank you very much :)