This means there were 500 books in a school library. 70% of these were fiction books. Some new books were added to the library

the afternoon. As a result, the number of fiction books increased by

20% and the number or non-fiction books increased to 80% of the books in the

library. How many fiction books were added to the library this afternoon?

Question

Mathematics

Ruiz

23 April, 08:07

This means there were 500 books in a school library. 70% of these were fiction books. Some new books were added to the library

the afternoon. As a result, the number of fiction books increased by

20% and the number or non-fiction books increased to 80% of the books in the

library. How many fiction books were added to the library this afternoon?

+5

Answers (2)

Know the Answer?

Luis Bonilla · Answer 1

70 fiction books were added

Step-by-step explanation:

Total number of books

= 500

Fiction books

= 70% of the total books

= 0.7 x 500

= 350

Increase in Fiction books

= 20% of the total fiction books

= 0.2 x 350

= 70

Aubrey · Answer 2

70 fiction books were added to the library.

Step-by-step explanation:

there were 500 books.

70% of these were fiction books.

so,

fiction books were = (500 x 70/100)

=350

now,

these were 350 fiction books

Some new books were added to the library. As a result, the number of fiction books increased by 20%.

so,

the number of fiction books were added = 350 x 20%

=350 x 20/100

=70