Question 820069
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,

17+0.85+0.0425+...
an = ar(n – 1)  r = .85/17 = .05,  r < 1
{{{sum( a[i], i=1, infinity )}}} = {{{a[1]/(1-r)}}}
{{{sum( a[i], i=1, infinity )}}} = {{{17/(.95) = highlight(17.8947)}}}