Answer:
The scale of the model is 1:103 .
Explanation:
Height of the Willis tower in model = 4 m
Actual height of the Willis tower = 412 m
Scale of the model is :
![(4)/(412)=(1)/(103)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/crp5kz8bczui12twyqznwtxele9dnpnzn9.png)
1 m of model of Willis tower height corresponds to 103 meters on original Willis tower.