Question

6. The ratio of Maths and Science books in
a school library is 4: 5. If the number of
Science books is 75, find the number of
Maths books
11​

Answer 1

Let the no. of maths and science books be

4x and 5x.

No. of science books =75

therefore, 5x = 75

x = 75/5

x= 15

No. of maths books = 4 x

= 4×15

= 60

so no. of maths books is 60

hope it helps...^_^