In a bag, there are a total of 15 balls consisting of red and blue balls. If two balls are drawn randomly, the probability that both balls are of the ...
Question
In a bag, there are a total of 15 balls consisting of red and blue balls. If two balls are drawn randomly, the probability that both balls are of the same color is . Given that the number of blue balls is greater than the number of red balls, find the number of blue balls.