Answers

2016-01-13T20:42:54+08:00
We can use a venn diagram for that problem
37 - 13 = 24 - liked doing projects
30 - 13 = 17 - liked solving problems.

24 + 17 + 13 = 54
59 - 54 = 5

Therefore, the answer to your question is 5.
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