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题库解析   >   比率、比例与百分比题型   >  
    本题由lindy提供
1092次学习

Bob invested $2,000 in fund A and $1,000 in fund

B. Over the next two years, the money in fund A earned a total interest of 12 percent for the two years combined and the money in fund B earned 30 percent annual interest compounded annually. Two years after Bob made these investments, Bob's investment in fund A was worth how much more than his investment in fund B ?


     (A) $500

    (B) $550

    (C) $600

    (D) $650

    (E) $700


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答案:
B
【答案】B
思路】 2000 × 1.12 - 1000 × 1.3² =550

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