Question 899040
 <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi
to finish job alone would take Flora 3hrs
{{{1/3 + 1/x = 1/2}}} |Multiplying thru by 6x so as all denominators = 1
  2x + 6 = 3x
       6 = x
How long would it have taken Fiona working alone?  6hr