GRE®
返回
Question 8 Selected one answer choice
收藏
笔记
反馈
我的笔记
5000
保存
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
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

我的答案：