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How many cats have both stripes and one black ear?
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488 Views • May 30, 2024 • Click to toggle off description
Junior Kangaroo 2023 Question 18

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@person42069

3 months ago

66 - 21 = 45
Of these 45 remaining cats, we need all of them to either have stripes or one black ear, to get the overlap to be as small as possible.
So we take away the 32 with stripes from the 45 to get 13 cats with only one black ear. Since the number of cats in total with one black ear is 27, we subtract 13 from 27 to get 14 cats with both stripes and one black ear.
Therefore, the answer is option E.

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@bliz85

3 months ago

You can't ignore the info on 21.

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