Nikka has 100 x 35/100 = <<100*35/100=35>>35 Chinese stamps.

She has 100 x 20/100 = <<100*20/100=20>>20 US stamps.

So, Nikka has 35 + 20 = <<35+20=55>>55 stamps that are not Japanese.

Thus, Nikka has 100 - 55 = <<100-55=45>>45 Japanese stamps.

# Answer

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Nikka has a 100 stamp collection. Thirty-five percent of her stamps are Chinese, 20% are US stamps, and the rest are Japanese stamps. How many Japanese stamps does Nikka have?
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45
Nikka has a 100 stamp collection. Thirty-five percent of her stamps are Chinese, 20% are US stamps, and the rest are Japanese stamps. How many Japanese stamps does Nikka have?
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