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desirjeanpierre
desirjeanpierre desirjeanpierre
  • 03-02-2017
  • Mathematics
Answered

two pipelines can fill a small tank in 18 min.One of the Pipelines would require 54 min to fill the Tank.How long would it take the second Pipeline ,Working alone ,to fill the tank.. [6.5]????

Verified Answer :

eliassaab123
eliassaab123 eliassaab123
  • 03-02-2017

1/x +1/54=1/9 solve it to get x=27

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