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  3. If 65 percent of the people who purchase a certain model of a car are male, what is the ratio of the number of males who purchas

If 65 percent of the people who purchase a certain model of a car are male, what is the ratio of the number of males who purchas

admin2013-05-19  29
问题 If 65 percent of the people who purchase a certain model of a car are male, what is the ratio of the number of males who purchase the model to the number of females who purchase the model?
选项 A、13/10
B、13/7
C、7/13
D、7/10
E、7/5
答案B
解析 The correct answer is B. Because 65 percent of the people are male, then the rest of the 100 percent must be female; therefore, 100-65, or 35 percent of the people are female. If 100 people purchased this particular model of car, then the ratio of males to females would be 65/35, which reduces to 13/7.
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