Multiple choice

If a = 2/3b, b = 2/3c and c = 2/3d, what part of d is b?

  1. 8/27

  2. 4/9

  3. 2/3

  4. 75%

  5. 4/3

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B Correct answer
Explanation

We need b as fraction of d, so express b in terms of d. Given: b=2c/3, and c=2d/3, so b=2(2d/3)/3=4d/9. Therefore b is 4/9 of d. The key is substituting step by step until you reach the target variable.

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