pls help me with this rq

Answer:
25 inches
Step-by-step explanation:
We can use a ratio to solve
width dr height dr
------------- = ----------
width act height act
15 inches x inches
--------------- = -----------------
3 ft 5 ft
Using cross products
15*5 = 3x
Divide each side by 3
15*5 /3 = 3x/3
25 =x