SOLUTION: Flora can finish her chores in 4 hours. One week, after Flora worked alone for 1 h, she was joined by her younger sister Fiona and they finished the job in 2 h. How long would it h

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Question 899040: Flora can finish her chores in 4 hours. One week, after Flora worked alone for 1 h, she was joined by her younger sister Fiona and they finished the job in 2 h. How long would it have taken Fiona working alone?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi

to finish job alone would take Flora 3hrs

 |Multiplying thru by 6x so as all denominators = 1

  2x + 6 = 3x

       6 = x

How long would it have taken Fiona working alone?  6hr 

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