Question 633823
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Hi,
What is the rate{{{highlight(r)}}} of the boat in still water and what is the rate{{{highlight(c)}}} of the current?
Question states***  Note:  D = rt   or r = D/t
 r - c =  300/5
 r + c = 300/3
  2r = 160
   r = 80mph  and c = 20mph

and...
{{{60*5 = 300 = 100*3}}}