John makes $50 a week from his job. He earns a raise and now makes $70 a week. What is the % increase?\nOptions:\n(A) 16%\n(B) 16.66%\n(C) 18%\n(D) 21%\n(E) 40%
Use reasoning to answer the following question.
(E)
Increase = (20/50)*100 = 40%.

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Therefore, the answer is (E)