Question 437264
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi
*Note: When Quantities vary inversely,they are related by the relationship:
 {{{y = (k/x)}}} k being  the constant of proportionality.
A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second
   75sec = k/4'/sec
   300 = k
  t = 300/r
  60*r = 600
     r = 5'/sec