Answer
Two Pointers:
Alex Brailsford: $\frac{15}{15+15} = 1/2 = 50%$
Rickie Jackson: $\frac{30}{30+29} = 30/59 = 50.85%$
Three Pointers:
Alex Brailsford: $\frac{5}{5+15} = 5/20 = 25%$
Rickie Jackson: $ \frac{65}{65+130} = 65/195 = 33.33%$
Work Step by Step
As given above