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It takes 8 hours to fill a tank with a particular chemical. Without treatment, all of the chemical in the tank would evaporate in 12 hours. If the tank is empty to start, and the chemical is not being treated as it enters the tank, how long will it take to have a full tank?
 one year ago
 one year ago
It takes 8 hours to fill a tank with a particular chemical. Without treatment, all of the chemical in the tank would evaporate in 12 hours. If the tank is empty to start, and the chemical is not being treated as it enters the tank, how long will it take to have a full tank?
 one year ago
 one year ago

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mayankdevnaniBest ResponseYou've already chosen the best response.1
24 hours In this one the tank is filling at 1/3 the rate so will take 3 times as long to fill
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.1
ok @stupidinmath
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.1
@mathslover am i right?
 one year ago

mathsloverBest ResponseYou've already chosen the best response.1
http://answers.yahoo.com/question/index?qid=20080108172709AAMgx5j Seems so :)
 one year ago

stupidinmathBest ResponseYou've already chosen the best response.0
this was my guess too. thankyou so much @mayankdevnani :D
 one year ago

mayankdevnaniBest ResponseYou've already chosen the best response.1
oh!!!!!!! @stupidinmath veryvery welcome
 one year ago

phiBest ResponseYou've already chosen the best response.1
this is a rate * time = distance (but distance is 1 filled tank) rate to fill is 1 tank per 8 hours or 1/8 rate to empty is 1/12 the difference between filling and emptying is 1/8  1/12 = 1/24 now do rate * time= 1 tank 1/24 * t =1 t= 24 hours
 one year ago

stupidinmathBest ResponseYou've already chosen the best response.0
Oh. Nice explanation, @phi . thanks also:)
 one year ago
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