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2014 AMC 12A
0/25 answered
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What is
10
⋅
(
1
2
+
1
5
+
1
10
)
−
1
10 \cdot \left(\tfrac{1}{2} + \tfrac{1}{5} + \tfrac{1}{10}\right)^{-1}
10
⋅
(
2
1
+
5
1
+
10
1
)
−
1
?
A
3
3
3
B
8
8
8
C
25
2
\frac{25}{2}
2
25
D
170
3
\frac{170}{3}
3
170
E
170
170
170
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