John makes $60 a week from his job. He earns a raise and now makes $90 a week. What is the % increase?\nOptions:\n(A) 16%\n(B) 50%\n(C) 17%\n(D) 17.61%\n(E) 17.56%
Step-by-step reasoning:
(B)
Increase = (30/60)*100 = (3/6)*100 = 50%.

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Thus, the answer is (B)