2014 AIME I Problems/Problem 2
An urn contains
green balls and
blue balls. A second urn contains
green bals and
blue balls. A single ball is drawn at random from each urn. The probability that both balls are of the same color is
. Find
.
An urn contains
green balls and
blue balls. A second urn contains
green bals and
blue balls. A single ball is drawn at random from each urn. The probability that both balls are of the same color is
. Find
.
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