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27 April, 23:51

A large box P containing 15 cans of biscuits weighs 23 kg and weighs 500g when empty. A box containing 8 cans of the same biscuits Q weighs 12.3kg. Box Q What is the mass when the box is empty?

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Answers (2)
  1. 28 April, 00:46
    0
    300 g or 0.3 kg

    Step-by-step explanation:

    23 kg - 500g = 22.5 kg

    each can of biscuits weighs 22.5 : 15 = 1.5 kg

    if the box Q weighs 12.3kg when there's 8 box of biscuits then

    8 * 1.5 = 12 kg is the weight of biscuits and the remaining 300 g is box Q's weight
  2. 28 April, 01:25
    0
    300 g

    Step-by-step explanation:

    weight of a can of biscuits = (23 - 0.5) / 15 = 1.5 kg

    weight of 8 cans = 1.5 * 8 = 12 kg

    mass of the empty box Q = 12.3 - 12 = 0.3 kg = 300 g
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