Question 455887
r*t=d
r*x=59
(r-5)*y=17
x+y=4
three equations three unknowns
discard negative answers
r = 1/2 (24+sqrt(281)),   x = -2/5 (sqrt(281)-24),   y = 2/5 (sqrt(281)-14)
  x=2.89478,   y=1.10522
r=20.3815 first part
r=15.3815 second part