Question

In a library, the ratio of number of story books to that of non-story books is 4:3 and total number of books is 63. The number of non-story books is

Answer 1

Answer:

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Step-by-step explanation:

let common part be x

4x : 3x

total book =63

4x×3x=63

7×=63

x=63/7

x=9

non story= 3x =3×9

=21 books

Answer 2

Answer:

The number of non story books are 27.

Step-by-step explanation:

story books: non story books=4:3

let the story books be 4x

and bin story books be 3x

total number of books= story books + non story books=63

according to question,

4x+3x=63

7x=63

x=9

story books=4x=4*9=36

nonstory books =3x=3*9=27.

Hence the number of non story books are 27.

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