algebra B
posted by Nancy .
Using the formula, w = cr^2,
solve for r. An object weighs 100lbs. What value of C will result in r = 3963?
I have another question similar, but if someone could guide me in this one, I can figure out the other one.
Thanks,

100 = c(3963)^2
3963^2 = √3963 = 63 (approx.)
100 = 63c
1.59 = c