题目信息
At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is 300, how many chickens are there?
A:30
B:90
C:120
D:180
E:200
参考答案及共享解析

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已选答案:
正确答案:
C:120
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题目来源
Magoosh