The number of runs the team scored is n. The clean up hitter batted in 1/3 of the runs. The clean up hitter batted in 3 runs. We can use this information to set up an equation. 1/3 (number of runs) = 3 1/3 (n) = 3 n = 9 The team scored 9 runs. The correct answer is A. 1/3 (n) = 3