Question 424082
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Hi
 60 more mini-buses than regular buses
Let x and (x+60)represent the number of regular and mini-buses respectively
Question states***
  (x+60)= 3x
Solving for x
     60 = 2x
      x = 30, the number of regular buses.  there are 90 mini-buses
CHECKING our Answer***
   90 = 3*30