Place the nine digits, so that the sum of the odd digits may be equal to the sum of the even ones.
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2+4+6+0.8=12.8 and 1+3+7+9/5=12.8
The engineering department was arranging for a rather expensive catered lunch to bid farewell to their retiring colleague. They calculated that it would cost each person $30. One good mathematician remarked, "It's lucky that there aren't five fewer of us to split the...