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21 November, 22:15

A basket with 25 similar ball has a mass of 10.3kg. the same basket with 10 similar balls has a mass of 4.45 kg. What is the mass of the box? Give your answer in grams

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  1. 21 November, 22:32
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    Answer: 550g

    Step-by-step explanation:

    mass of ball in kg=y

    mass of basket in kg=x

    25y+x=10.3 - > (01)

    10y+x=4.45 - > (02)

    (01) - (02)

    25y+x-10y-x=10.3-4.45

    15y=5.85

    y=0.39

    substitute y=0.39 in (02)

    10 (0.39) + x=4.45

    3.9+x=4.45

    x=4.45-3.9

    x=0.55

    Therefore mass of basket is 550g.
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