Question 897844
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Hi,
     *[illustration rectangle.png].
L +    w      = 215/2
L + (5 + L/2) = 215/2  |Multiplying thru by 2 so as all denominators = 1
 2L + 10 + L = 215
  3L = 205
   L = 205/3  and w = 5 + 205/6