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1980 AMC 12 Question 3

AMC12 · 1980 AMC 12

Question 3

If the ratio of $2x-y$ to $x+y$ is $\frac23,$ what is the ratio of $x$ to $y?$
  1. $\frac15$
  2. $\frac45$
  3. $1$
  4. $\frac65$
  5. $\frac54$