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There are 57 people sitting in a circle. One person throws the ball to the 21st person to her right. The catcher then throws it to the 21st person to his right, and it continues this way around the circle. How many total throws are needed to get the ball back to the first person?

A. 57
B. 21
C. 57 × 21
D. 57/21
E. 78
F. 36
G. 7
H. 19
I. 133
J. 63

Answer :

Answer:

the answer is letter h. 19

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Rewritten by : Barada

Answer:

the answer is letter h. 19