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17 October, 05:47

If the ratio of katie's stickers to Jenna's is 7:4 and katie has 21 stickers how many does jenna have?

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  1. 17 October, 07:40
    0
    The long way to answer this would be to set up a proportion and solve for x.

    But if you look at the ratio and know Katie has 21 stickers, then Jenna should have 12 because 7 times 3 is 21 and 4 times 3 is 12.
  2. 17 October, 08:22
    0
    18 stickers I think
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