Kelly 發問於 科學及數學數學 · 8 年前

math (percent) QUICK!!!! 20點

The cost of an MP3 player is $1100 and it is sold at $880. Find the loss per cent.

(Show your working)

2 個解答

評分
  • 8 年前
    最愛解答

    p.s /=除以

    [(1100-880)/1100]x100%

    =(220/1100)x100%

    =20%

    the loss per cent is 20%.

  • 8 年前

    =20%

    FRIST,1100-880=220

    220除以1100*100%=20%

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