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student3112

Approximation and Error

(a) Find the value of x
(b) Is it possible that the actual total weight of two identical bookshelves is 310cm? Explain your answer.

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解答 0

  • tutor_fran
    2019-02-15 11:40:04
    a)
    160cm*3.125%=5cm
    x=5cm

    b)
    160-5=155, 155*2=310
    the answer is yes.
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