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25-05-2021
Mathematics

contestada

108 identical books have a mass of 30 kg.Find
the mass of 150 such books
the number of such books that have mass of 20 kg

Respuesta :

ferrybukantoro ferrybukantoro

25-05-2021

Answer:

41.67 kg

72 books

Step-by-step explanation:

mass of 150 books = 150/108 × 30 kg

= 41.67 kg

number of books = 20/30 × 108 books

= 72 books

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