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2013 AMC 8 Answer Key

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1. $\textbf{(A)}\ 1$

2. $\textbf{(D)}\ 12$

3. $\textbf{(E)}\ 2000$

4. $\textbf{(C)}\ 140$

5. $\textbf{(E)}\text{average, by }20$

6. $\textbf{(C)}\ 4$

7. $\textbf{(C)}\ 100$

8. $\textbf{(C)}\dfrac{3}{8}$

9. $\textbf{(C)}\ 11^\text{th}$

10. $\textbf{(C)}\ 330$

11. $\textbf{(D)}\ 4$

12. $\textbf{(B)}\ 30$

13. $\textbf{(A)}\ 45$

14. $\textbf{(C)}\dfrac{3}{8}$

15. $\textbf{(B)}\ 40$

16. $\textbf{(E)}\ 89$

17. $\textbf{(B)}\ 338$

18. $\textbf{(B)}\ 280$

19. $\textbf{(D)}\text{ Cassie, Hannah, Bridget}$

20. $\textbf{(C)}\pi$

21. $\textbf{(E)}\ 18$

22. $\textbf{(E)}\ 3932$

23. $\textbf{(B)}\ 7.5$

24. $\textbf{(C)}\dfrac{1}{3}$

25. $\textbf{(A)}\ 238\pi$

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