Company Z spent 1/4 of its revenues last year on marketing and 1/7 of the remainder on maintenance of its facilities. What fraction of last year’s original revenues did company Z have left after its marketing and maintenance expenditures?\nOptions:\n(A) 5/14\n(B) 1/2\n(C) 17/28\n(D) 9/14\n(E) 9/11 Think first, then make a decision. Some random thoughts:
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Total revenues = x\nSpent on marketing = x/4\nRemaining amount = x-x/4 = 3x/4\n1/7 of the remainder on maintenance of its facilities = 3x/4*1/7 = 3x/28\nAmount left = 3x/4-3x/28 = 9x/14 So the answer is (D).
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