Question 634940
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
a farmer has 50 pigs and an unknown number{{{highlight(n)}}} of cows on his farm.
expression for the number of legs on the farm, including the farmers
 {{{4*50 + 4n + 2}}}
  {{{4n + 202}}}