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1 May, 09:43

When 2 pieces of rope are placed end by end, it equals 40 meters. When placed side by side, 1 rope is 10 meters longer. How long is each rope?

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  1. 1 May, 11:33
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    x = rope 1

    y = rope 2

    rope 1 = rope 2+10

    x = y+10

    x+y = 40

    substitute x=y+10 into the above equation

    y+10 + y = 40

    2y+10 = 40

    subtract 10 from each side

    2y = 30

    divide by 2

    y = 15

    x=y + 10

    x=15+10

    y=25

    The ropes are 15 meters and 25 meters
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