please answer it is urgent........and ans correctly
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Answer:
1 - 18 kg
2- 45 books
Step-by-step explanation:
Weight of 75 books = 15 kg
Weight of 1 book = 15/75 = 0.2 kg
1 - Weight of 90 such books = 90 x 0.2 = 18 kg
2 - Weight of 1 book = 0.2 kg
Weight given = 9 kg
No. of books weight 9 kg = 9/0.2 = 45 books
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