Question

In a public library, 30% of books are classified as fiction and remainder as non-fiction. There are total 2400more non-fiction books. Number of books in fiction category is -

Answer 1

Answer:

1800

Step-by-step explanation:

x - fiction

y - non fiction

y = 2400 + x

x = 3/10 * (x+y)

=3x/10 + 3y/10

x-3x/10 = 3y/10

7x/10 = 3y/10

7x = 3x

7x = 3 * (2400+x)

7x = 3x + 7200

7x - 3x = 7200

4x = 7200

x = 7200/4

x = 1800

Hence there are 1800 fiction books.

Answer 2

Answer:1800

Step-by-step explanation: