There are only black pens and green pens in a box. The ratio of the number of black pens in the box to the number of green pens in the box is 2:5 What fraction of the pens are black?

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asked Sep 9, 2022 221k views

22 votes

There are only black pens and green pens in a box.

The ratio of the number of black pens in the box to the number of green pens in the box is 2:5
What fraction of the pens are black?

Mathematics
high-school

Alan Coromano asked

by Alan Coromano

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1 Answer

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the amount of pens all together is 7, the amount of black pens is 2, therefore answer is2/7 black pens

NeXau answered Sep 15, 2022

by NeXau

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