PLZ HELP ASAP SOLVE SIMILIAR TRIANGLES

Question

Answer:

By similarity of triangles we have the following relationship:  (y) / (12) = (37.5) / (20)  Rewriting we have:
(y) = ((37.5) / (20)) * (12)
Simplifying we have:
y = (1,875) * (12)
Then, the value of y is:

y = 22.5  Answer:
The value of y is:  y = 22.5