The weight of 36 books is 9 kg. Find weight of 56 books using the concept of proportions ?
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Answer:
Weight of 36 books=9kg
Weight of 1 book=9/36=1/4kg
Therefore, weight of 56 books=1/4×56=14
Thus, the weight of 56 such books is 14 kg.
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Answer:
Weight of 72 books=9kg
Weight of 1 book=9/72=1/8kg
Therefore, weight of 40 books=1/8×40=5kg
Thus, the weight of 40 such books is 5 kg.
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