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
2E=H E=H/2
3E=M E=M/3
H/2=M/3 3H=2M H/M=2/3........C
我那裡錯了
