The weight of 108 book is 9 kg. Find the weight of 40 book
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Weight of 108 books = 9kg
Now, this question can be easily solved by using unitary method
Unitary method is the process to find the value of given number of substance from the given value which is more than 1
In this we find the value of 1 substance then we multiply it to get the result.
Now in this question
108 books = 9 kg = 9000 grams
So weight of 1 book = 9000÷ 108 = 83.33 grams
Weight of 40 such books = 83.33*40=3333.2 grams
This is approximately equal to 3 kg 333 gram
Hope this will be helping you.
WARM REGARDS
Sahil khirwal.
Now, this question can be easily solved by using unitary method
Unitary method is the process to find the value of given number of substance from the given value which is more than 1
In this we find the value of 1 substance then we multiply it to get the result.
Now in this question
108 books = 9 kg = 9000 grams
So weight of 1 book = 9000÷ 108 = 83.33 grams
Weight of 40 such books = 83.33*40=3333.2 grams
This is approximately equal to 3 kg 333 gram
Hope this will be helping you.
WARM REGARDS
Sahil khirwal.
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