Difference between revisions of "2016 AIME II Problems/Problem 2"
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Revision as of 15:56, 17 March 2016
There is a 
chance of rain on Saturday and a 
chance of rain on Sunday. However, it is twice as likely to rain on Sunday if it rains on Saturday than if it does not rain on Saturday. The probability that it rains at least one day this weekend is 
, where 
and 
are relatively prime positive integers. Find 
.
