# A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red bal

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A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, determine the number of blue balls in the bag.

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Let the number of blue balls be x.

Number of red balls = 5

Total number of balls = x + 5

However, the number of balls cannot be negative.

Hence, number of blue balls = 10