/v \ c*|- + 1| + t \k / ------------------- /v \ (n + k)*|- + 1| - k \k /
(c*(v/k + 1) + t)/((n + k)*(v/k + 1) - k)
-(c*(k + v) + k*t) -------------------- 2 k - (k + n)*(k + v)
-(c*(k + v) + k*t)/(k^2 - (k + n)*(k + v))
c*k + c*v + k*t --------------- k*n + k*v + n*v
(c*k + c*v + k*t)/(k*n + k*v + n*v)
c*k + c*v + k*t --------------- k*n + k*v + n*v
(c*k + c*v + k*t)/(k*n + k*v + n*v)
c*k + c*v + k*t --------------- k*n + k*v + n*v
(c*k + c*v + k*t)/(k*n + k*v + n*v)
c*(k + v) + k*t ---------------------- 2 - k + (k + n)*(k + v)
(c*(k + v) + k*t)/(-k^2 + (k + n)*(k + v))
(t + c*(1.0 + v/k))/(-k + (1.0 + v/k)*(k + n))
(t + c*(1.0 + v/k))/(-k + (1.0 + v/k)*(k + n))