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?
6 to 1
3 to 2
2 to 3
1 to 5
1 to 6
弄清楚谁是数的倍数,twice as many English majors as history majors,选英语的是历史的两倍,E=2H
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