Math, asked by vijjugudur, 4 months ago

The weight of 72 books is 9 kg. What is the weight of 40 such book ​

Answers

Answered by Dhruvika7308
0

Answer:

72 books=9kg

1 book=9/72

40 books =9/72*40=5 kg

Answered by anmita18
0
Weight Number of books
9 72
? 40
By unitary method
Cross multiply

Let weight of 40 books be x
Therefore,

x = 40*9/72
x = 5 kg

Weight of 40 books is 5 kg
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