Answers

2014-11-06T13:26:22+08:00
Simple math

N is a whole number less than 10

Whole number are numbers {1, 2, 3, 4 ...} no fraction, decimals and even negative numbers

That means

N could be 1, 2, 3, 4, 5, 6, 7, 8, 9

I hope it helps.
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