Which solution is valid within the context of the situation?
A. $(90,25)$
B. $(40,64.50)$
C. $(30,80)$
\(\boxed{\text{The question is incomplete. It does not provide a context or a situation to determine which solution is valid. We need more information to proceed with this problem.}}\)
Step 1 :The question is incomplete. It does not provide a context or a situation to determine which solution is valid. We need more information to proceed with this problem.
Step 2 :\(\boxed{\text{The question is incomplete. It does not provide a context or a situation to determine which solution is valid. We need more information to proceed with this problem.}}\)