2007 AMC 8 Problems/Problem 19
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Suppose you take out a card: Green, . There are
cards left in the deck. There are three cards with the same color as the first card: Green
, Green
, Green
. There is only
card with the matching alphabet: Red
.
Since this is an "or" condition, that means you add the possibilities because you can win either way (same color or same matching alphabet)...
=