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17 March, 04:40

A load of bricks is twice as heavy as a load of sticks. the total weight of 4 loads of bricks and 4 loads of sticks is 771 kilograms. what is the total weight of 1 load of bricks and 3 loads of sticks

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  1. 17 March, 06:22
    0
    If x = mass of 1 load of sticks and y = mass of 1 load of bricks and a load of bricks is twice as heavy as a load of sticks y = 2x then,

    4x + 4y = 771; 4x + 4 (2x) = 771; 12x = 771; x = 64.25 kg

    To find y: y = 2x = 2*64.25 = 128.5 kg

    Total weight of 1 load of bricks and 3 loads of sticks: y + 3x

    128.5 + 3*64.25 = 321.25 kg
  2. 17 March, 07:23
    0
    The weight of one block is 192.75.
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