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February 28, 2015

February 28, 2015

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

- Math -
**Reiny**, Tuesday, July 24, 2012 at 12:32amnumber 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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