alleryStart learning →A yard has hens and cows with 10 heads and 28 legs in all. How many hens are there?
A7
B4
C6
D5
Answer & Solution
Correct answer: C. 6
If all 10 were hens there would be 20 legs; each cow adds 2 more, so 4 cows and 6 hens give 28 legs.
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