The percentage of households with an annual income of more than 40000 is higher in Merton Country than in any other country. However, the percentage of households with an annual income of 60000 or more is higher in Sommer Country.
If the statements above are ture, which of the following must also be true?
(a)The percentage of households with an annual income of 80000 is higher in Sommer Country than in Merton Country.
(b)Merton Country has the second hightest percentage of households with an annual income of 60000 or more.
(c)Some households in Merton Country have an annual income between 40000 and 60000
(d)The number of households with an annual income of more than 40000 is greater in Merton Country than in Sommer Country.
(e)Average annual household income is higher in Sommwe Country than in Merton Country.
答案是C 我不太懂題目的意思 是指地有第三個城市跟Merton Country 跟Sommer Country比嗎? 我選E .....