Question

3. A library has 3975 books. Students from Grade 8 have issued 120 books and
Grade 9 issued 95 books from the library. How many books are left in the library​

Answer 1

Answer:

3975-120-95

=3760 books are left in the library

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Answer 2

Given :

• Total books : 3975
• Books with Grade 8 : 120
• Books with Grade 9 : 95

To find :

• Total books left

Method :

Total books - Both grade books together

Books with both grades together :

We will firstly add the number of books with both the Grades i.e 8th and 9th.

120

+ 95

________

215

________

Total books with both grades are 215

Total books left in library :

Total books (-) Total books with both grades together

$\tt{ 3975 (-) 215}$

$\large{\boxed{\tt{ 3760}}}$