Question
Irene collected thrice as many marbles as Yen. Yen collected twice as many marbles as Barbara. What is the ratio of the number of marbles collected by Irene to the number of marbles collected by Barbara?
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Irene collected thrice as many marbles as Yen. Yen collected twice as many marbles as Barbara. What is the ratio of the number of marbles collected by Irene to the number of marbles collected by Barbara?