Mathematics, 20.08.2019 23:00 lildeb2778

Ateacher has 21 red pens if the ratio of red pens to blue pens she owned was 3: 1 how many pens did she have in total

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Ateacher has 21 red pens if the ratio of red pens to blue pens she owned was 3: 1 how many pens did...

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