Math, asked by ds174661, 4 months ago

7. The weight of 72 books in 9kg (a)find the weight of 80 such books. (b) how many books will weight 6kg

Answers

Answered by cutegirl6721

3

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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