Real-World Applicationsmedium
0:00.0
A pool is filled by Pipe A in 5 hours or Pipe B in 7 hours. Both pipes start together, but Pipe B is closed after 2 hours. How long after both start will the pool be full?
A pool is filled by Pipe A in 5 hours or Pipe B in 7 hours. Both pipes start together, but Pipe B is closed after 2 hours. How long after both start will the pool be full?