Question: Mr. Johnson needs two students to help him demonstrate a science experiment. His class has 18 girls and 12 boys. He randomly chooses one student

Mr. Johnson needs two students to help him demonstrate a science experiment. His class has 18 girls and 12 boys. He randomly chooses one student who comes to the front of the class. He then chooses another student from the rest of the class. What is the probability that he will choose a boy first and then a girl

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