Find the number of integer solutions to |a| + |b| + |c| = 10

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BTGmoderatorDC: Moderator; Posts: 7187; Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members

by BTGmoderatorDC » Wed Nov 20, 2019 5:27 pm

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

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Source: Beat The GMAT — Problem Solving | Wed Nov 20, 2019 5:27 pm

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