katharinechavez23 katharinechavez23

23-04-2020
Mathematics

contestada

A brother and a sister are in the same math class. There are 9 boys and 12 girls in the class. One boy and one girl are randomly chosen. What is the probability that both the brother and the sister are chosen?

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s5132607 s5132607

23-04-2020

Answer:

9 : 12 or 9 to 12

Step-by-step explanation:

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