2. 外语
  3. A group can charter a particular aircraft at a fixed total cost. If 36 people charter the aircraft rather than 40 people, then t

A group can charter a particular aircraft at a fixed total cost. If 36 people charter the aircraft rather than 40 people, then t

admin2015-04-10  78
问题 A group can charter a particular aircraft at a fixed total cost. If 36 people charter the aircraft rather than 40 people, then the cost per person is greater by $12.
(a)What is the fixed total cost to charter the aircraft?
(b)What is the cost per person if 40 people charter the aircraft?
选项
答案108
解析
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