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Posted by on Monday, July 23, 2012 at 11:15pm.

At a local pound, 40% of the animals sheltered are cats and 15% of the cats are black. If there are 30 black cats at the pound, how many animals are sheltered there?

  • Math - , Tuesday, July 24, 2012 at 12:32am

    number of cats = x
    .15x = 30
    x = 30/.15 = 200
    but that is 40% of all animals

    number of animals = 200/.40 = 500

    check:
    number of cats = 4/10(500) = 200
    black cats = 15/100(200) = 30

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