Question

28. In a library there are 1500 books. Among these
books the ratio of books about science to that
about commerce is 1:2. Determine the number
of books about science to be purchased so
that this ratio becomes 3 : 5.
bruno orod​

Answer 1

Answer:

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