Question

In a library there are 1500 books. Among these books , the ratio of books of science to that of commerce is 1:2 , determine the number of science books to be purchased so the ratio becomes 3:5

Answer 1

Step-by-step explanation:

100 book of science

Step-by-step explanation:

(1:2)5 (3:5)2

We have to buy only science book so no. Of book of commerce remain same.

Difference is 6-5 =1 unit

And 15 unit =1500

1unit=100