Question 407100
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Hi
Let x represent time it takes together
Question states*** per day is the Equalizer
 1/4 + 1/6 + 1/2 = 1/x  |Multiplying thru by 12x so as all denominators = 1
  3x + 2x + 6x = 12
        11x = 12
          x = 12/11 = 1.09 hours together