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Find the common difference of the arithmetic sequence.

2,1 8/9, 1 7/9, 1 2/3, ....

A. -1/9
B. 1/9
C. 9
D. -9

thanks for your help

Respuesta :

Each time you are subtracting 1/9 to get the next term

For example, going from term 2 to term 3 is a difference of -1/9

(1 8/9) - (1/9) = 1 7/9

which is why the answer is choice A

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