math

20 students are in a classroom. if students leave randomly, the probability that the first student to leave the classroom is a girl is 3/5. How many girls are there?

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asked by edsel
  1. 3/5 * 20 = ?

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    posted by PsyDAG
  2. 12

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    posted by harini
  3. 120

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    posted by harini

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