First find the total number of animals Martha's cat catches: 3 rats + 7 birds = <<3+7=10>>10 animals

Then multiply that number by 5: 10 animals * 5 = <<10*5=50>>50 animals

Then subtract 3 to find the total number of animals Cara's cat catches: 50 animals - 3 animals = <<50-3=47>>47 animals

# Answer

47
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Martha's cat catches 3 rats and 7 birds. Cara's cat catches 3 less than five times as many animals as Martha's cat. How many animals does Cara's cat catch?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
47
Martha's cat catches 3 rats and 7 birds. Cara's cat catches 3 less than five times as many animals as Martha's cat. How many animals does Cara's cat catch?
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