Sam wants to complete the diagram so that each of the nine circles contains one of the digits from 1 to 9 inclusive and each contains a different digit. Also, the digits in each of the three lines of four circles must have the same total. What is this total?
Select one option, then click Submit.
17
18
19
20
21
Select an option, then submit.
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Junior Mathematical Challenge 2014 (2014)
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