SOLUTION: Tap X took 8 minutes to fill a tank completely .Tap Z took 12 minutes to fill the same tank completely .If both taps are turned on at the same time to fill 5 such tank , how long w

Question 1044248: Tap X took 8 minutes to fill a tank completely .Tap Z took 12 minutes to fill the same tank completely .If both taps are turned on at the same time to fill 5 such tank , how long will it take.
Answer by ikleyn(52799) (Show Source): You can put this solution on YOUR website!
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Tap X took 8 minutes to fill a tank completely .Tap Z took 12 minutes to fill the same tank completely.
If both taps are turned on at the same time to fill 5 such tank , how long will it take.
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Tap X fills  of the tank's volume per minute.

Tap Y fills  of the tank's volume per minute.

Working together, the two taps fill  =  =  of the tank volume per minute working together.

It means that the two taps fill the tank in  minutes.

Hence, it will take  = 24 minutes to fill 5 tanks if both the taps are turned on.

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    - Selected joint-work word problems from the archive
in this site.

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