In a group of cows and hens, the number of legs is 14 more than twice the number of heads. The number…
There are 7 cows. If there are c cows and h hens, the number of legs minus twice the number of heads is (4c + 2h) − 2(c + h) = 2c. Thus 2c = 14 and c = 7.
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In a group of cows and hens, the number of legs is 14 more than twice the number of heads. The number of cows is:
Answer and explanation
Correct answer B
There are 7 cows. If there are c cows and h hens, the number of legs minus twice the number of heads is (4c + 2h) − 2(c + h) = 2c. Thus 2c = 14 and c = 7.
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