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33 cats 66 crows The above answer is wrong. There are 9 cats and 18 crows. It is a very simple algebra equation. (Let x represent the number of cats. Then the number of crows is 2x. The number of cats legs is 4x, and the number of crows legs is also 4x because there are twice as many crows). So, add up all the heads and legs: x + 2x + 4x + 4x = 99 Summarize it: eleven x = 99 Therefore x = 9

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Q: A collection of black cats and crows has a total of 99 heads and legs between them There are twice as many crows as there are cats How many of each is there?
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