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student3112

percentage

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  • eric
    2019-11-03 22:33:16
    a. Solve 2[1.25×2k+(1-r/100)×5k]=2(2k+5k), where the orignal width and length are 2k and 5k, and the width decreases by r%
  • eric
    2019-11-03 22:35:53
    Correction: Solve 2[1.25×2k+(1+r/100)×5k]=2(2k+5k), where the orignal width and length are 2k and 5k, and the percentage change in question is r%
    •  eric 2019-11-03 22:33:16
    • a. Solve 2[1.25×2k+(1-r/100)×5k]=2(2k+5k), where the orignal width and length are 2k and 5k, and the width decreases by r%
  • eric
    2019-11-03 22:39:01
    b. Solve 1.25×2k×(1+r/100)×5k=2k×5k
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