Mathematics, 25.01.2021 18:00 franchely

There are 20 pens in a box. Eighteen (18) of the pens are black. The other 2 pens are red. What percentage of the pens are black?

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There are 20 pens in a box. Eighteen (18) of the pens are black. The other 2 pens are red. What perc...

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