Solve.There are 97 puppies in a room, with an assortment of black and white ears and paws. 21 have totally black ears and 3 white paws, 27 puppies have 1 black ear and 2 white paws, and 49 have no black ears and 1 white paw. How many black paws are in the room?
A. 222
B. 221
C. 169
D. 166
Answer: A
Mathematics
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