21-02-2016
Mathematics

contestada

a teacher had 21 red pans.If the ratio of red pens to blue pens she owned was was 3:1 ,how many pens did she have total?

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cactussky cactussky

21-02-2016

Pretty sure it's 28.

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Аноним Аноним

21-02-2016

She had 28 pens total because she had a ratio of 21 red pens to 7 blue pens. I got 7 by dividing 21 by 3.

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