Solution
Old Ratio (X, Y and Z) = 5 : 3 : 2
New Ratio (X, Y and Z) = 1 : 1 : 1
Sacrificing (or Gaining) Ratio = Old Ratio − New Ratio
X’s share = (sacrifice) Y’s share = (gain)
Z’s share = (gain)
∴ Y’s Gain = 1/30 Z’s Gain = 4/30 X’s Sacrifice = 5/30