Question
A box contains some red, green and yellow chocolate bars. The ratio of the number of red chocolate bars to the number of green chocolate bars is 3 : 5. The ratio of the number of green chocolate bars to the number of yellow chocolate bars is also 3 : 5. What is the ratio of the number of red chocolate bars to the number of yellow chocolate bars in the box?
2 m

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A box contains some red, green and yellow chocolate bars. The ratio of the number of red chocolate bars to the number of green chocolate bars is 3 : 5. The ratio of the number of green chocolate bars to the number of yellow chocolate bars is also 3 : 5. What is the ratio of the number of red chocolate bars to the number of yellow chocolate bars in the box?