Question
A box contains some yellow, white and pink chocolate bars. The ratio of the number of yellow chocolate bars to the number of white chocolate bars is 4 : 5. The ratio of the number of white chocolate bars to the number of pink chocolate bars is also 4 : 5. What is the ratio of the number of yellow chocolate bars to the number of pink chocolate bars in the box?
2 m

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A box contains some yellow, white and pink chocolate bars. The ratio of the number of yellow chocolate bars to the number of white chocolate bars is 4 : 5. The ratio of the number of white chocolate bars to the number of pink chocolate bars is also 4 : 5. What is the ratio of the number of yellow chocolate bars to the number of pink chocolate bars in the box?