The weight of 80 books is 10 kg .
A.what is the weight of 72 such books?
B.Hom many such books would weigh7kg?*
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Answer:
A - 9kgs
B - 56 books
Step-by-step explanation:
Let us first find the ratio of the number of books to the weight
It comes out to be = 8:1
which means for every 8 books the weight comes out be 1 kg
Solution for A
given 72 books
Weight = total no of books/ no of books in one kg weight
weight = 72/8 = 9kgs
For B
the no f books = the weight in kgs × books in one kg of weight
No of books = 7 × 8 = 56
This was the answer.
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