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7 August, 03:38

What is the common ratio of the following geometric sequence? 4/15, 2/5, 3/5, 9/10,27/20 A. 2/3 B. 3/2 C. 1/5 D. 4/15

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  1. 7 August, 06:44
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    The common ratio is that value which is the ratio between each term and the term preceding it. In this case:

    (2/5) / (4/15) = (3/5) / (2/5) = (9/10) / (3/5) = r=1.5

    So the common ratio in this case is 1.5 or if you prefer (3/2)
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