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2002 AMC 12A Question 10

AMC12 · 2002 AMC 12A

Question 10

Sarah pours four ounces of coffee into an eight-ounce cup and four ounces of cream into a second cup of the same size. She then transfers half the coffee from the first cup to the second and, after stirring thoroughly, transfers half the liquid in the second cup back to the first. What fraction of the liquid in the first cup is now cream?
  1. $\dfrac{1}{4}$
  2. $\dfrac{1}{3}$
  3. $\dfrac{3}{8}$
  4. $\dfrac{2}{5}$
  5. $\dfrac{1}{2}$