[計量] 六月數學JJ 應用48題請教 感激不盡
數學官方 應用48題
一件商品售价32元，利润为10%。问：获利1600元需要卖出的商品数量和500比大小
Answer C
到底是我眼疾還是哪根筋不對
為什麼我怎麼算都是大概533 = ="
設原價X
X*1.1=32 => X約等於29
=> 32-29=3 (賣一個商品賺3快)
獲利1600/3=533.3333
不是應該是大於500嗎?
怎麼會等於500?
麻煩請各位打醒我拜託...
考試快到了
錯這種題目很要不得...拜託了各位...感恩!!
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