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    Contemporary Business Mathematics Study Set 1
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    Exam 3: Ratio, Proportion, and Percent
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    A Special Purpose Index Has Increased 155% During the Last
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A Special Purpose Index Has Increased 155% During the Last

Question 27

Question 27

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A special purpose index has increased 155% during the last ten years. If the index is now 310, what was the index ten years ago?

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