In a deck of 52 cards, if two cards as chosen at random, what is the probability of at least one card being a spade?

In a deck of 52 cards, if two cards as chosen at random, what is the probability of at least one card being a spade?
25%
13 spades/52 cards= 25%

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You should at least show an attempt on your part to do your own work.

Here's a hint to get you started - the probability of getting at least one spade is 1 minus the probability of getting no spades. Remember that after you pull the first card there are only 51 cards left to pul the second card from. Hope this helps.