Preference

Question: Which of the following is equal to 456*(72) + 28*(456)?

  1. a.
    72*(456 + 28)
  2. b.
    456*(72 + 28)
  3. c.
    (456 + 28)*(456 + 72)
  4. d.
    (28 + 456)*(72 + 456)
  5. e.
    (456 + 456)*(72 + 28)
Answer: b
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