t1u1ckdarcusey t1u1ckdarcusey
  • 16-11-2016
  • Mathematics
contestada

A tank can be filled in 60 minutes and drained in 90 minutes. how long would it take to fill the tank if the drain were accidentally left open while the tank was being filled?

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maxbars maxbars
  • 17-11-2016
it would take an hour and a half to fill the tank
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