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Mathematics

Grade-3-

Easy

Question

Dave’s bookshelf has 4 shelves. He has 9 books on each shelf. His father gives him 4 new books. How many books does Dave’s have now?

38
30
36
40

hint Hint:

The number of books Dave have will be equal to the sum of the books his father gave him and the product of the number of books shelves he have and the total number of book in each shelf.

The correct answer is: 40

The number of books Dave have will be equal to the sum of the books his father gave him and the product of the number of books shelves he have and the total number of book in each shelf.
Step1: Calculating the number of book Dave have

In the question we are given that Dave have $4$ shelf and each shelf have $9$ books. His father gave him $4$ books
Book = $B o o k s space f a t h e r space g a v e space plus space left parenthesis N u m b e r space o f space s h e l v e s cross times N u m b e r space o f space b o o k s space i n space e a c h space s e h l f right parenthesis$
Books = $4 space plus space left parenthesis 9 cross times 4 right parenthesis$
=> $40$
So, the total number of books Dave have are $40$ .

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