Question

The ratio of maths and science books in a school library is 4:5. If the the no of science books is 75, find the number of maths books

Answer 1

let the no. of maths and science books be 4x and 5x.
now, No. of science books =75
therefore, 5x = 75
x = 75/5
x= 15
now, No. of maths books = 4 x
=4×15
= 60 ans.

Answer 2

Answer: There are 60 maths books in the school library.

Let the number of maths books be "4x", and the number of science books be "5x".

According to the problem, the number of science books is given as 75.

So, 5x = 75

x = 15

Therefore, the number of maths books is:

4x = 4 * 15 = 60

Hence, there are 60 maths books in the school library.

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