Well, honey, two-fifths of 400 is 160. Don't worry, math can be a real pain in the behind sometimes, but that's the answer you're looking for. So go ahead and use that information however you please, just don't come crying to me if you end up with the wrong number!
no
It is: 2/5 of 52 = 20.8
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400
400
400
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400
It is 400
20x20=400 40x10=400 5x80=400 2x200=400 1x400=400
400