SOLUTION: Tommy can paint a fence in 7 hours. If his friend Huck helps they can paint it in 1 hour. How fast could Huck paint the fence by himself

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Question 397874: Tommy can paint a fence in 7 hours. If his friend Huck helps they can paint it in 1 hour. How fast could Huck paint the fence by himself
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Let x represent how fast Huck can paint the fence solo

Question states*** per hr the Equalizer

 1/7 + 1/x = 1/1  

  x + 7 = 7x

      7 = 6x

      7/6 hr = x , how fast Huck can paint the fence solo

   Huck can paint the fence solo in 1hr and 10min  



CHECKING our Answer***

  1/7 + 1/(7/6) = 1/7 + 6/7 = 1 hr