Question

4. A library has 1335 books. Out of these, 727 books are new. How
many
of the books are old?​

Answer 1

Answer:

Step-by-step explanation:

Solution: In 2010:

Fiction = x

Non fiction = 11500-x

In 2015:

Fiction = 1.1x

Non fiction = 1.2(11500-x)

But in 2015, total books are 12760

So, 1.1x + 1.2(11500-x) = 12760

On solving, we get Number of fiction books in the library in 2015 is 1.1x = 6600

Please give me like thanks and brainlist

I am math teacher

Answer 2

Answer:

608 BOOKS ARE OLD

Step-by-step explanation:

TOTAL BOOKS ARE 1335

NEW BOOKS ARE 727

SO, OLD BOOKS 1335 - 727

= 608