b1233 b1233
  • 22-05-2017
  • Mathematics
contestada

How many ways are there to make a line of 3 teachers and 8 students if a teacher must be at the front of the line

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treytrigganiga
treytrigganiga treytrigganiga
  • 22-05-2017
24 possible ways with a different teacher (3) in front
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