Question

Exercise
1A
BASIC LEVEL
1.
108 identical books have a mass of 30 kg. Find
() the mass of 150 such books,
(ii) the number of such books that have a mass
of 20 kg​

Answer 1

Step-by-step explanation:

1. Mass of 108 identical books = 30 kg
2. Mass of 1 book = 30/108 = 5/18 kg
3. Mass of 150 books = 150×5/18 kg =125/3 kg = 41.66 kg
4. No of books that have mass 20 kg = 72 books because 1 kg is 3.6 books

Answer 2

Answer:

Your answer is in attachment..

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