Question 1169676
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            Let me propose you  MORE  EDUCATIONAL  procedure.



First,  if you have your solution/answer,  you can check it  ON  YOUR  OWN  by substituting 
your numbers into the problem's description.



Second,  if you have your solution in wording form,  you may post it to the forum,  and we,  the tutors, 

will check it for you - - - with our pleasure and at no fee,  i.e. for free.



We will inform you then about the results of our consideration.