posted by avincent .
first was w=Cr^-2
solve for r
I came up with r=sqrt of C/w
Now I have imputed numbers that were provided to come up with the equation 3,963=sqrt c/100
I squared both sides to come up with 15,705,369=c/100
Now I am stuck. Trying to solve for C. Am I on the right track?
multiply both sides by 100