500
O conveys to A for life, then to B if B attains the age of thirty. Analyze B’s interest under RAP.
I - B’s contingent remainder subject to RAP.
L- O, A, and B
Create- Created children here do not change the interest at issue.
Kill- O, A, and B die. At the time of B’s death, we will know whether the condition has vested, or whether B attained age thirty, so there’s no reason to count here.
Valid condition under RAP.