GWD 11-21

[hoojjj]

Q21:
At a garage sale, all of the prices of the items sold were different. If the price of a radio sold at the garage sale was both the 15th highest price and the 20th lowest price among the prices of the items sold, how many items were sold at the garage sale?

A. 33
B. 34
C. 35
D. 36
E. 37
看不懂題目
運算式是??
感恩

[liwuu]

題目說在一個garage sale中,每間販賣的物品價格皆不同
今天有個radio的價格為所有物品中由貴到便宜排第15;由便宜到貴排第20
所以全部共有1,2,3,4,5,6,7,8,9,10,11,12,13,14,radio,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34個

[hoojjj]

我眼睛真是脫窗...把radio認為是ratio...both...and...