johnso7nleafl0
johnso7nleafl0 johnso7nleafl0
  • 11-06-2016
  • Mathematics
contestada

One pipe fills a tank in 1 hour while another pipe can fill the same tank in 2 hours. How long will it take to fill the tank if both pipes are used?

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uh123 uh123
  • 11-06-2016
40 minutes, = 1(tank)/(1tank/h+1/2(t/h))
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