PTT職涯區 / GRE (GRE入學考試)

[計量] 兩題計量求解

看板GRE (GRE入學考試)作者 (money)時間12年前 (2013/06/21 17:03), 編輯推噓1(1推 0噓 2→)
留言3則, 2人參與, 最新討論串1/1
1. A retailer purchases shirts from a wholesaler and then sells the shirts in her store at a retail price that is 80 percent greater than the wholesale price. If the retailer decreases the retail price by 30 percent this will have the same effect as increasing the wholesale price by what percentage? Ans: 26 2. There are 10 people in a room. If each person shakes hands with exactly 3 other people, what is the total number of handshakes? Ans: 15 想了好幾天了,網路也找不到詳解@@ 謝謝~ -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.37.129.123 ※ 編輯: chenmick 來自: 114.37.129.123 (06/21 17:03)
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06/21 17:12, , 1F
2. 一個人握3次手..10個人握30次 有一半是重複 /2
06/21 17:12, 1F
推
06/21 17:14, , 2F
1. 1.8*0.7 - 1
06/21 17:14, 2F
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06/21 17:32, , 3F
感謝!
06/21 17:32, 3F
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