algebra Please c if this is right?

Mrs. /green is randomly choosing team captains from her class of 12 girls and 10 boys. ?She draw one name from the bag, SETS IT ASIDE, and then chooses a second name. /What is the probability that both team captains are girls? I would say it is 2/7 Can someone check to see if this is right? Please

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asked by lynn
  1. Probability that a girl is picked from 22 people:
    12/22

    Probability that another girl is picked from 21 people:
    11/21

    Probability that both occur:
    (12/22) x (11/21) = 132/462 = 2/7

    so, yes, you are correct

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