Mathematics, 13.07.2019 22:00 djdkfkfkckmfmf9919

Me with this answerlaverne has 13 pens. all of the pens are either blue or black, and there are 9 more blue pens than black pens. how many blue pens does laverne have?

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Me with this answerlaverne has 13 pens. all of the pens are either blue or black, and there are 9 mo...

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