Question 838311
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Hi,
$99 with unlimited mileage  Or $49 plus 80cents per mile
Let x represent number of miles
For what mileages would the unlimited plan save money?
  $49 + $0.80x  >  $99
      $0.80x  > $50
           x > 62.5mi 
 For miles greater than 62.5mi, the unlimited plan would save money