Answer: 9.2 inches
Step-by-step explanation:
We know that the sports stadium is 180 ft tall and that in the scale model there is 2 in for every 30 ft. If we divide 180 by 39 we get 4.6. There is 2 in for every 30 ft, so the answer would be 4.6 x 2 or 9.2 in.