Question 388027
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Hi
  52/60 min = .86667 hrs
Let x be the miles in one hour
Sets Up the Proportion mi/hr
 {{{3.6m/.86667hr = x/1hr}}}
Cross multiply to solve
  .86667hr*x = 3.6 mi 
      x = 3.6 mi/.86667hr
      x = 4.15mph