There are 14 animals in the barnyard. Some are cows and some are chickens. I counted 34 legs in all. How many animals are chickens?
There are 15 animals in the barnyard. Some are cows and some are chickens. I counted 38 legs in all. How many animals are cows?
There are 16 animals in the barnyard. Some are cows and some are chickens. I counted 42 legs in all. How many animals are chickens?
There are 17 animals in the barnyard. Some are cows and some are chickens. I counted 46 legs in all. How many animals are cows?
By Tuesday, I shall surely have gone mad.
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