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26 October, 18:47

A teacher had 21 red pens. if the ratio of red pens to blue pens she owned was 3:1 how many pens did she have total?

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Answers (2)
  1. 26 October, 19:18
    0
    28 because ...

    21/7 = 3

    7x1=7

    so 21+7=28
  2. 26 October, 22:03
    0
    29

    i hope

    i don't want u to get this wrong on a test or homework

    but as you see I'm trying

    since i wasted my time on this website
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