what is the probability of drawn an ace or a space or both from a dew of cards .
"there are 13 spades in a standard deck of cards . there are four aces in a standard deck of cards . one of the aces is a spade . so , 13 + 4 - 1 = 16 spades or aces to choose from . since we have a total of 52 cards , the probability of selecting an ace or a spade is 16 / 52 answer : c"
divide(const_2, choose(add(const_3, const_3), const_3))