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BTGmoderatorDC
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Find the number of integer solutions to |a| + |b| + |c| = 10, where none of a, b or c is 0.
A. 36
B. 72
C. 144
D. 288
E. 576
OA D
Source: e-GMAT
A. 36
B. 72
C. 144
D. 288
E. 576
OA D
Source: e-GMAT