72 books is 9kg , so find the weight of 40 such books
Answers
Answered by
1
Answer:
5kg
Step-by-step explanation:
72 books is 9kg
1 book is 9/72kg
40 books is 9/72×40
= 5 kg
Answered by
0
the weight of one book=72 divided by 9=8 therefore weight of 40 books=40 into =320kg
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