[問題] pp DS 其中一題...
23. 1653-!-item-!-187;#058&000843
At least 100 students at a certain high school study Japanese. If 4 percent of the students at the school who study French also study Japanese, do more students at the school study French than Japanese?
(1) 16 students at the school study both French and Japanese.
(2) 10 percent of the students at the school who study Japanese also study French.
破解版的答案是B
但我覺得第一個選項也可以算出來吧...不行嗎? 是我算法錯了嗎???
拜託大家幫我解答一下~~謝謝!!!!
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