> > Trenton had 15 biographies,15 science fiction books 7 reference book and 11 mystery books on his shelves find the ratio of biographies to the Total number of books

# Trenton had 15 biographies,15 science fiction books 7 reference book and 11 mystery books on his shelves find the ratio of biographies to the Total number of books

## Trenton had 15 biographies,15 science fiction books 7 reference boo...

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### Trenton had 15 biographies,15 science fiction books 7 reference book and 11 mystery books on his shelves find the ratio of biographies to the Total number of books

Trenton had 15 biographies,15 science fiction books 7 reference book and 11 mystery books on his shelves find the ratio of biographies to the Total number of books

This is simple what you need to do first is add up all of the books.
So 48 because 15+15=30+11=41+7 is 48.
So your ratio would be 15:48 because there are 15 biographies.
Try to simplify it by the common number between the two which is three.
That would make your ratio 5/16.
Hope I helped!