I want make 6 equal columns on a sheet of paper. The paper is 18.2cm high. I divide 18.2cm by 6 and get 3.30cm............but when I mark the lines out the last column is only 1.8cm !!!!!!! Why oh why!!! I thought I was smart but this is confusing my brain ....please help.
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Because 18.2/6 = 3.03 not 3.30