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2014 AMC 10B Question 7

AMC10 · 2014 AMC 10B

Question 7

Suppose $A > B > 0$ and $A$ is $x\%$ greater than $B.$ What is $x?$
  1. $ 100\left(\frac{A-B}{B}\right) $
  2. $ 100\left(\frac{A+B}{B}\right) $
  3. $ 100\left(\frac{A+B}{A}\right) $
  4. $ 100\left(\frac{A-B}{A}\right) $
  5. $ 100\left(\frac{A}{B}\right) $