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7 August, 12:50

There are 90 penguins in a zoo. There are two types - Humboldt and Emperor.

52 are female, of these 6 are Emperor penguins.

There are 5 male Emperor penguins.

Use this information to complete the frequency tree.

Humboldt penguins

Emperor penguins

Male

Female

Humboldt penguins

Emperor penguins

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Answers (1)
  1. 7 August, 13:25
    0
    See below.

    Step-by-step explanation:

    Humboldt penguins; 90 - (5 + 6) = 79.

    Emperor penguins: 5 + 6 = 11.

    Total Male: 90 - 52 = 38.

    Male Humboldt penguins: 38 - 5 = 33.

    Total Female: 52.

    Female Humboldt penguins: 52 - 6 = 46.
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