AMC 8 2005 Problem 22

AMC8 2005 年第 22

比与比例★★★★
A company sells detergent in three different sized boxes: small (S), medium (M) and large (L). The medium size costs 50% more than the small size and contains 20% less detergent than the large size. The large size contains twice as much detergent as the small size and costs 30% more than the medium size. Rank the three sizes from best to worst buy.
一家公司卖三种不同大小的盒子包装的洗涤剂:小盒子(S)、中盒子(M)和大盒子(L)。中号比小号贵 50%,且洗涤剂含量比大号少 20%.大号的洗涤剂含量是小号的两倍,价格比中号高 30%。请将这三种不同尺寸的洗涤剂按照性价比从高到低排列。
  1. A.SML\text{SML}
  2. B.LMS\text{LMS}
  3. C.MSL\text{MSL}
  4. D.LSM\text{LSM}
  5. E.MLS\text{MLS}

正确答案 · Correct Answer

E

解析 · Solution

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