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19 July, 18:30

5.

The total length of 2 pieces of rope is

108cm. If one piece is 18cm shorter, what is

the length of the longer piece?

+4
Answers (2)
  1. 19 July, 19:28
    0
    63 cm

    Step-by-step explanation:

    piece 1: x

    piece 2: x - 18

    First you would subtract 2x - 18 = 108

    Second you would add 108 + 18 = 2x

    Third you would divide 126 divided by 2x = 63

    So that would mean x = 63
  2. 19 July, 20:14
    0
    63cm

    Step-by-step explanation:

    2 pieces of rope, and one is shorter by 18cm.

    piece 1: x

    piece 2: x-18

    Add the equations together, combine both pieces

    2x-18

    2x-18 = 108

    108+18 = 2x

    126 = 2x

    x = 63
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