Prep-T1-PS-Q88

[lucyyeh]

88. 10039-!-item-!-187;#058&007071
At a certain college there are twice as many English majors as history majors and three times as many English majors as mathematics majors. What is the ratio of the number of history majors to the number of mathematics majors?

(A) 6 to 1
(B) 3 to 2
(C) 2 to 3
(D) 1 to 5
(E) 1 to 6

ANS: B

不知道是不是我理解錯了
2E=H
3E=M
H/M=2/3 ???
怎麼不是C???

[GC06]

88. 10039-!-item-!-187;#058&007071
At a certain college there are twice as many English majors as history majors and three times as many English majors as mathematics majors. What is the ratio of the number of history majors to the number of mathematics majors?

(A) 6 to 1
(B) 3 to 2
(C) 2 to 3
(D) 1 to 5
(E) 1 to 6

ANS: B

不知道是不是我理解錯了
2E=H
3E=M
H/M=2/3 ???
怎麼不是C???

應該是2H=E
和 3M=E
所以2H=3M
H:M=3:2

[austi_co]

English majors 的人數比上 history majors 的人數為 2 : 1
English majors 的人數比上 mathematics majors的人數 3 : 1
小弟的做法是先同化(是這樣說嗎??)
2 : 1 = 6 : 3
3 : 1 = 6 : 2
那English : history : mathematics的人數為 6 : 3 : 2
ok..打完收工