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14 May, 14:39

1 load of bricks weigh twice as much as a load of sticks. the total weight of 4 loads of each is 771 kg. What is the total weight of 1 load of bricks and 3 loads of sticks?

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  1. 14 May, 16:34
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    X=brick y=sticks

    x=2y

    4x+4y=771

    4 (2y) + 4y=771

    8y+4y=771

    12y=771

    y = 771/12

    y = 64.25

    x = 64.25*2=128.5

    Answer:

    128.5+64.25*3=321.25kg
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