If a is 60% of b, b is 40% of c, and c is 20% of d,

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If a is 60% of b, b is 40% of c, and c is 20% of d, then 6d is what percent of 20a?
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1014 Practice Questions For The New GRE

ISBN: 9780375429682

2nd Edition

Authors: The Princeton Review

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