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103页 28题
Three salespeople are paid commissions in proportion to the amount of their sales, which total $25,000, $40,000, and $60,000, respectively. If a total of $20,000 is allocated for these three commission, what is the amount of the largest commission paid?
三个销售员的佣金按照销售额(工作量)分配,分别为 $25,000, $40,000, $60,000. 试问如果三个销售员按照销售额分配总额为 $20,000 的总佣金,得钱最多的那个人能拿到多少钱。
解释:
出多少力拿多少钱,现在已知 ABC 出力的比例分别为 25000 : 40000 : 60000, 一共有 20000 块钱,问拿钱最多的人能拿到多少钱。
60000 / x = (25000 + 40000 + 60000) / 20000
解得 x = 9600.
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The decorating committee for a dance plans to fringe the 3-inch-wide end of a streamer by making small cuts every 1/16 inch. How many cuts must be made to fringe the end?
3 inch 的东西每次剪 1/16 inch, 剪多少下能剪完。
解释:
1. 3 = 48 * 1/16, 所以 3 inch 正好分成 48 个 1/16 inch.
2. 剪一刀分成两段,剪 n 刀分成 n+1 段,所以分成 48 段需要用 47 刀。 |
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