make sure to right sentences
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Step-by-step explanation:
a) 72 books weigh 9 kg.
So 80 books weigh ( 9/72 × 80) = 10 kg.
b) 9 kg of books contains 72 books.
So 6 kg of books contains ( 72/9 × 6) = 48 books.
Hope it will help you.
Thank you
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