Note that we can rewrite OPS as a weighted average of BB, singles, doubles, triples and HR. We know that the weight for doubles, triples, and HR are 2, 3 and 4 times that of singles. But what about...

Note that we can rewrite OPS as a weighted average of BB, singles, doubles, triples and HR. We know that the weight for doubles, triples, and HR are 2, 3 and 4 times that of singles. But what about BB? What is the weight for BB relative to singles. Hint: the weight for BB relative to singles will be a function of AB and PA.