Question

the cost of a book is Rs. 25.80 . what is the cost of 100 books?
please add an explanation

Answer 1

cost of one book is 25.80
cost of 100 books is 25.80×100= 2580

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Answer 2

The cost of one book is 25.80

The cost of hundred books is 100 times the cost of one book

So , we will multiply the cost of one book with 100

Given, cost of one book = 25.80
So , cost of 100 books = 100 × 25.80
= Rs. 2580