weight of 108 books is 12 kg. Find the weight of 90 books.
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Answer:
weight of 1 book = weight of 108 books / 108
=12/108
=1/9
now,
weight of 90= weight of 1 ×90
books. book
=(1/9) ×90
=10 kg
Step-by-step explanation:
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12 = 108
Let’s find 90 books = 12/108 = 9 means 9 books is 1 kg so 9 multiplied 12 = 108 so 108 books = 12kg
Exactly as 9 books = 1 kg we should do 9 divided by 90 = 10 so
90 kg = 10 kg
Let’s find 90 books = 12/108 = 9 means 9 books is 1 kg so 9 multiplied 12 = 108 so 108 books = 12kg
Exactly as 9 books = 1 kg we should do 9 divided by 90 = 10 so
90 kg = 10 kg
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