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Mathematics 25 Online
OpenStudy (anonymous):

What is the next number in the pattern: 10, 5, 15, 7.5, 22.5, 11.25, 33.75, …? A. 56 B. 16.875 C. 67.5 D. 100

OpenStudy (anonymous):

16.875

OpenStudy (unklerhaukus):

divide by two, times by three,...

OpenStudy (anonymous):

It switches off between "divide by two" and then "multiply by three"....and the next one in the pattern is to divide by two, so 16.875

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