2. 外语
  3. Abby bought a vase for $30 and then determined a selling price that equaled the purchase price of the vase plus a markup that wa

Abby bought a vase for $30 and then determined a selling price that equaled the purchase price of the vase plus a markup that wa

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问题 Abby bought a vase for $30 and then determined a selling price that equaled the purchase price of the vase plus a markup that was 25 percent of the selling price. During a sale, Abby discounted the selling price by 20 percent and sold the vase. What was Abby’s gross profit on this sale?
选项 A、$0
B、$1
C、$2
D、$7.5
E、$10
答案C
解析 已知花瓶(vase)的买入价是30美元，现在Abby需要出售此花瓶。这里，定语从句解释前面名词a selling price的数量关系——a selling price that equaled the purchase price of the vase plus a markup that was 25 percent of the selling price。定语从句修饰了selling price，设selling price为x，那通过selling price和purchase price的关系得知，markup=x-30。又从markup的定语从句修饰中得知markup=25％×selling price，即markup=0.25x。于是我们可知，x-30=0.25x。于是selling price x=40。在甩卖(sale)中，降价20％，现售价为40×(1-20％)=32，所以在甩卖中的总利润gross profit为售价-买入价=32-30=2。选择C选项。
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