Question

What is the common ratio for the geometric sequence below, written as a fraction?

768, 480, 300, 187.5, …


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Answer 1

9514 1404 393

Answer:

5/8

Explanation:

Since the ratio is common, it can be found from the ratio of any pair of adjacent terms.

r = 480/768 = (5·96)/(8·96) = 5/8

The common ratio is 5/8.