Since your probably solving for W, isolate W by adding the -3n to both sides and get W=5n now use a calculator and multiply 5 and Pi. To Get 15.7.
I used N for pi since I don’t have that symbol
You need to specify what needs to be solved so I just assumed W
Answer:
I think it is C but can't be sure because B isn't clear.
Step-by-step explanation:
256.5/18= 14.25
(14.25x2)+(18x2)= 64.5m