Algebra word problem

Question

A science class has 5 girls and 3 boys in the seventh grade and 2 girls and 2 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for competition. What is the probability that the students she selects are both girls?

Answer 1

(5×2)÷(8×4)=5⁄⁄16

Answer 2

P(A ∧ B) = P(A) x P(B)

P( A ∧ B) = (5/8) (2/4)