Practice 1 的第25題
是圖表題組的一題，原圖: http://ppt.cc/ajI3
25. In 1993 the average (arithmetic mean) price per card for all greeting
cardssold was $1.25. For which of the following occasions was the number
of cards sold in 1993 less than the total number of cards sold that year
for occasions other than the ten occasions shown?
Indicate all such occasions.
A Christmas
B Valentien's Day
C Easter
D Mother's Day
E Father's Day
F Graduation
G Thanksgiving
H Halloween Ans: CDEFGH
主要是題目標黃色那句我怎麼看都看不懂...雖然看說明知道他在問甚麼，
但是還是沒有辦法理解這句話的結構，有請各位板友解答m(_ _)m