1terrariaexpert 1terrariaexpert
  • 14-11-2018
  • Mathematics
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Pump a can unload a pump in 30hours and pump b can unload in 24 hours because of an approaching storm, both pumps were used. How long did it take to empty the ship?

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Cxsh
Cxsh Cxsh
  • 14-11-2018
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