[求助]麻烦哪位好心人帮我借下这题呀~~~

Are at least 10% of the people in Country X who are 65 years old or older employed?

(1)In Country X, 11.3% of the population is 65 years old or older

(2)in Country X, of the population 65 years old or older, 20% of the men and 10% of the women are employed

答案是B,怎么也没想通,请好心人帮帮忙啊~~~