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2006 AMC 10B Question 13

AMC10 · 2006 AMC 10B

Question 13

Joe and JoAnn each bought $12$ ounces of coffee in a $16$-ounce cup. Joe drank $2$ ounces of his coffee and then added $2$ ounces of cream. JoAnn added $2$ ounces of cream, stirred the coffee well, and then drank $2$ ounces. What is the resulting ratio of the amount of cream in Joe’s coffee to that in JoAnn’s coffee?
  1. $\dfrac{6}{7}$
  2. $\dfrac{13}{14}$
  3. $1$
  4. $\dfrac{14}{13}$
  5. $\dfrac{7}{6}$