SOLUTION: s= n/2(f+l) Please help me, I do not understand.

Question 66026: s= n/2(f+l)
Please help me, I do not understand.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What is the instruction you have for the problem.
Are you supposed to solve the equation for one
of the variables?
Cheers,
Stan H.