AMC8 1992
AMC8 1992 · Q9
AMC8 1992 · Q9. It mainly tests Ratios & proportions.
The population of a small town is 480. The graph indicates the number of females and males in the town, but the vertical scale-values are omitted. How many males live in the town?
一个小城镇的人口是 480。图表显示了镇上女性和男性的数量，但纵轴刻度值被省略了。镇上有多少男性？
(A)
120
120
(B)
160
160
(C)
200
200
(D)
240
240
(E)
360
360
Answer
Correct choice: (B)
正确答案：（B）
Solution
The ratio of males to the total population is 1 to 3. Thus, there are 1/3 of 480, or 160 males in the town.
男性的比例与总人口之比是 1:3。因此，有 480 的 1/3，即 160 名男性。
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