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