SOLUTION: One tap can fill a bath in t minutes and a second tap can fill the bath in 2t minutes. What fraction of the bath is filled in 1 minute if both taps are turned on?

Question 885113: One tap can fill a bath in t minutes and a second tap can fill the bath in 2t minutes. What fraction of the bath is filled in 1 minute if both taps are turned on?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Fill Rate for Both Together: baths per minute.

How much bath filled in 1 minute?
, amount of bath.

amount of baths in 1 minute.

If you want to know the time to fill 1 bath, then you use another variable, say x.
, but we cannot find a unique t and x combination because this is only one equation in two unknowns.

You can only get the fraction of bath filled in one minute as .
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