2. 外语
  3. A retailer sells 5 shirts. The first 2 he sells for $64 and $39. If the retailer wishes to sell the 5 shirts for an overall aver

A retailer sells 5 shirts. The first 2 he sells for $64 and $39. If the retailer wishes to sell the 5 shirts for an overall aver

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问题 A retailer sells 5 shirts. The first 2 he sells for $64 and $39. If the retailer wishes to sell the 5 shirts for an overall average price of over $50, what must be the minimum average price of the remaining 3 shirts?
选项 A、$49.00
B、$49.67
C、$50.00
D、$51.33
E、$55.50
答案A
解析 For the average price of 5 shirts to be over $50, the total price of the shirts must be at least $250. 250 minus the sum of the two sold shirts (64+39=103) equals 147. $147 divided by 3 equals $49.
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