Science, asked by ahuda5236, 2 months ago

108 identical books have a mass of 30 kg. Find
(i) the mass of 150 such books,
(ii) the number of such books that have a mass
of 20 kg

Answers

Answered by greetajitson2006

7

Mass of 108 identical books=30kg

mass of one book=30/108=5/18kg

mass of 150 books=150×5/28kg =125/3 =41.66kg

number of books that have mass 20kg=72 books because 1 kg is 3.6 books

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