An art student wants to make a model of an ancient building. The length of the building is 3.2 times its width. The length of the​ student's model is 72 in. What should the width of the model​ be?
What should the width of the model​ be?
A.
11.25 in
B.
22.5 in
C.
3.2 in
D.
230.4 in