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Probability that the students she selects are both girls

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A science class has 5 girls and 5 boys in the seventh grade and 5 girls and 7 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Answer as a fraction in simplest form.

Reference no: EM131909272

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